Wi-Fi Test
Wi-Fi Linux commands
## Which message on wpa_supplicant indicates successful connection to AP?
- [x] CTRL-EVENT-CONNECTED
> This is the correct answer !
- [ ] AP-ENABLED
> This is wrong !
- [ ] AP-STA-CONNECTED
> This is wrong !
- [ ] STA-ENABLED
> This is wrong !
## Which message on hostapd indicates successful station connection ?
- [x] AP-STA-CONNECTED
> This is the correct answer !
- [ ] AP-ENABLED
> This is wrong !
- [ ] AP-STA-STARTED
> This is wrong !
- [ ] STA-ENABLED
> This is wrong !
## What is the successful indication of AP start ?
- [x] AP-ENABLED
> This is the correct answer !
- [ ] STA-ENABLED
> This is wrong !
- [ ] AP-STARTED
> This is wrong !
- [ ] STA-STARTED
> This is wrong !
## How to flash image to SD card ?
- [x] Using Balena Etcher tool
> This is the correct answer !
- [ ] Using iwconfig command
> This is wrong !
- [ ] Using ifconfig command
> This is wrong !
- [ ] Using iw dev
> This is wrong !
## How to start get serial port access to RPI ?
- [x] sudo minicom -D /dev/ttyUSB0 -b 115200
> This is the correct answer !
- [ ] sudo minicom -D /dev/char -b 115200
> This is wrong !
- [ ] sudo minicom -x /dev/ttyUSB0 -b 8100
> This is wrong !
- [ ] sudo maxcom -y /dev/ttyUSB0 -b 115200
> This is wrong !
## hostapd_cli and hostapd communicate using ?
- [x] Unix Domain sockets
> This is the correct answer !
- [ ] TCP sockets
> This is wrong !
- [ ] UDP sockets
> This is wrong !
- [ ] RAW sockets
> This is wrong !
## wpa_cli and wpa_suppliant communicate using ?
- [x] Unix Domain sockets
> This is the correct answer !
- [ ] TCP sockets
> This is wrong !
- [ ] UDP sockets
> This is wrong !
- [ ] RAW sockets
> This is wrong !
## "iperf -c 192.168.3.10 -u -b 1000M -i 1 -t 30" is ?
- [x] UDP client
> This is the correct answer !
- [ ] UDP server
> This is wrong !
- [ ] TCP server
> This is wrong !
- [ ] TCP client
> This is wrong !
## "iperf -c 192.168.3.1 -i 1 -t 30" is ?
- [x] TCP client
> This is the correct answer !
- [ ] UDP server
> This is wrong !
- [ ] TCP server
> This is wrong !
- [ ] UDP client
> This is wrong !
## "iperf -s -u -i 1" is ?
- [x] UDP server
> This is the correct answer !
- [ ] TCP client
> This is wrong !
- [ ] TCP server
> This is wrong !
- [ ] UDP client
> This is wrong !
## "iperf -s -i 1" is ?
- [x] TCP server
> This is the correct answer !
- [ ] TCP client
> This is wrong !
- [ ] UDP server
> This is wrong !
- [ ] UDP client
> This is wrong !
## cd $HOME means ?
- [ ] Change directory to previous directory
> This is wrong !
- [ ] Change directory to /home
> This is wrong !
- [x] Change directory to /home/user
> This is the correct answer.
- [ ] Change directory to next directory
> This is wrong !
## "cp defconfig .config" means ?
- [ ] Copy contents of file .config to file .config
> This is wrong !
- [ ] Copy contents of file defconfig to file defconfig
> This is wrong !
- [x] Copy contents of file defconfig to file .config
> This is the correct answer.
- [ ] Copy contents of file .config to file defconfig
> This is wrong !
## "sudo vim ./run_supplicant.conf" means ?
- [ ] Rename file run_supplicant.conf
> This is wrong !
- [ ] Delete file run_supplicant.conf
> This is wrong !
- [x] Open file run_supplicant.conf for edit
> This is the correct answer.
- [ ] Open file run_supplicant.conf for close
> This is wrong !
## Command to start DHCP Server in Ubuntu ?
- [ ] sudo /etc/init.d/network-manager stop
> This is wrong !
- [ ] sudo service isc-dhcp-server stop
> This is wrong !
- [x] sudo service isc-dhcp-server start
> This is the correct answer.
- [ ] sudo /etc/init.d/network-manager start
> This is wrong !
## iperf -c is ?
- [ ] iperf help
> This is wrong !
- [ ] iperf server
> This is wrong !
- [x] iperf client
> This is the correct answer.
- [ ] iperf configuration
> This is wrong !
## How to create monitor mode interface ?
- [ ] sudo iw dev wlan1 add moni0 type monitor
> This is wrong !
- [ ] sudo iw dev wlan1 interface del moni0 type monitor
> This is wrong !
- [x] sudo iw dev wlan1 interface add moni0 type monitor
> This is the correct answer.
- [ ] sudo iw dev wlan1 interface add moni0 mode monitor
> This is wrong !
## Command to delete a directory ?
- [ ] cp
> This is wrong !
- [ ] touch
> This is wrong !
- [x] rm or rmdir
> This is the correct answer.
- [ ] cat
> This is wrong !
## Command to copy a file ?
- [ ] ls
> This is wrong !
- [ ] touch
> This is wrong !
- [x] cp
> This is the correct answer.
- [ ] cat
> This is wrong !
## Command to start a network manager in Ubuntu ?
- [ ] sudo /etc/init.d/network-manager stop
> This is wrong !
- [ ] touch
> This is wrong !
- [x] sudo /etc/init.d/network-manager start
> This is the correct answer.
- [ ] cat
> This is wrong !
## cd ../ means ?
- [ ] Change to previous to previous directory
> This is wrong !
- [ ] Change to next directory
> This is wrong !
- [x] Change to previous directory
> This is the correct answer.
- [ ] None
> This is wrong !
## How to release IP address of a network interface in Ubuntu ?
- [ ] sudo dhclient -i wlan1
> This is wrong !
- [ ] sudo ifconfig wlan1 up
> This is wrong !
- [x] sudo dhclient -r
> This is the correct answer.
- [ ] None of the above
> This is wrong !
## How to assign IP address to a network interface in Ubuntu using DHCP ?
- [ ] sudo dhclient -r
> This is wrong !
- [ ] sudo ifconfig wlan1 up
> This is wrong !
- [x] sudo dhclient -i wlan1
> This is the correct answer.
- [ ] None of the above
> This is wrong !
## ping application uses ?
- [ ] User Datagram Protocol - UDP
> This is wrong !
- [ ] Transmission Control Protocol - TCP
> This is wrong !
- [x] Internet Control Message Protocol - ICMP
> This is the correct answer.
- [ ] None of the above
> This is wrong !
## wpa supplicant indicates ?
- [x] 802.11 station operation
> This is the correct answer.
- [ ] 802.11 AP operation
> This is wrong !
- [ ] Monitor mode operation
> This is wrong !
- [ ] None of the above
> This is wrong !
## hostapd indicates ?
- [ ] 802.11 station operation
> This is wrong !
- [x] 802.11 AP operation
> This is the correct answer.
- [ ] Monitor mode operation
> This is wrong !
- [ ] None of the above
> This is wrong !
## TCP UL means ?
- [x] iperf server on AP side, iperf client on STA side
> This is the correct answer.
- [ ] iperf server on STA side, iperf client on AP side
> This is wrong !
- [ ] iperf client on STA side, iperf client on AP side
> This is wrong !
- [ ] iperf server on STA side, iperf server on AP side
> This is wrong !
## UDP UL means ?
- [x] iperf server on AP side, iperf client on STA side
> This is the correct answer.
- [ ] iperf server on STA side, iperf client on AP side
> This is wrong !
- [ ] iperf client on STA side, iperf client on AP side
> This is wrong !
- [ ] iperf server on STA side, iperf server on AP side
> This is wrong !
## TCP DL means ?
- [ ] iperf server on AP side, iperf client on STA side
> This is wrong !
- [x] iperf server on STA side, iperf client on AP side
> This is the correct answer.
- [ ] iperf client on STA side, iperf client on AP side
> This is wrong !
- [ ] iperf server on STA side, iperf server on AP side
> This is wrong !
## UDP DL means ?
- [ ] iperf server on AP side, iperf client on STA side
> This is wrong !
- [x] iperf server on STA side, iperf client on AP side
> This is the correct answer.
- [ ] iperf client on STA side, iperf client on AP side
> This is wrong !
- [ ] iperf server on STA side, iperf server on AP side
> This is wrong !
## Successful connection of station to AP is indicated by ?
- [ ] wpa_state=SCANNING
> This is wrong !
- [x] wpa_state=COMPLETED
> This is the correct answer.
- [ ] wpa_state=STARTED
> This is wrong !
- [ ] None of the above
> This is wrong !
## What is the right way to assign static IP address to the network interface ?
- [x] ifconfig wlan0 192.168.3.1 up
> This is the correct answer.
- [ ] iwconfig wlan0 192.168.3.1 up
> This is wrong !
- [ ] iw dev wlan0 192.168.3.1 up
> This is wrong.
- [ ] wget wlan0 192.168.3.1 up
> This is wrong.
## Using which command, IP address can be assigned to the network interface ?
- [x] ifconfig
> This is the correct answer.
- [ ] iwconfig
> This is wrong !
- [ ] iw dev
> This is wrong.
- [ ] wget
> This is wrong.
## Using which command, MAC address of the device can be obtained ?
- [x] ifconfig
> This is the correct answer.
- [ ] iwconfig
> This is wrong !
- [ ] iw dev
> This is wrong.
- [ ] wget
> This is wrong.
## Using which command, IPv6 address of the device can be obtained ?
- [x] ifconfig
> This is the correct answer.
- [ ] iwconfig
> This is wrong !
- [ ] iw dev
> This is wrong.
- [ ] wget
> This is wrong.
## Using which command, IPv4 address of the device can be obtained ?
- [x] ifconfig
> This is the correct answer.
- [ ] iwconfig
> This is wrong !
- [ ] iw dev
> This is wrong.
- [ ] wget
> This is wrong.
## In RPI, what is the right way to start hostapd_cli ?
- [x] /usr/sbin/hostapd_cli -i wlan0 -p /tmp/hostapd
> This is the correct answer.
- [ ] /usr/sbin/hostapd_cli -i wlan0
> This is wrong !
- [ ] /usr/sbin/hostapd_cli -i wlan0 -x /tmp/hostapd
> This is wrong.
- [ ] /usr/sbin/hostapd_cli -i wlan0 -r /tmp/hostapd
> This is wrong.
## In RPI, what is the right way to start wpa_cli ?
- [x] /usr/sbin/wpa_cli -i wlan0 -p /tmp/wpa_supplicant
> This is the correct answer.
- [ ] /usr/sbin/wpa_cli -i wlan0
> This is wrong !
- [ ] /usr/local/wpa_cli -i wlan0 -p /tmp/wpa_supplicant
> This is wrong.
- [ ] /usr/sbin/wpa_client -i wlan0 -p /tmp/wpa_supplicant
> This is wrong.
## In RPI, How to check if hostapd is running or not ?
- [x] ps | grep -i hostapd
> This is the correct answer.
- [ ] px | grep -i hostapd
> This is wrong !
- [ ] iwconfig | grep -i hotspot
> This is wrong.
- [ ] ifconfig | grep -i hotsp
> This is wrong.
## In RPI, How to check if wpa_supplicant is running or not ?
- [x] ps | grep -i wpa
> This is the correct answer.
- [ ] px | grep -i wpa
> This is wrong !
- [ ] iwconfig | grep -i wpa
> This is wrong.
- [ ] ifconfig | grep -i wpa
> This is wrong.
## In RPI, what is the right way to start hostapd ?
- [x] /usr/sbin/hostapd /tmp/run_hostapd.conf &
> This is the correct answer.
- [ ] /usr/sbin/hostap /tmp/run_hostapd.conf &
> This is wrong !
- [ ] /usr/sbin/hotspotd /tmp/run_hostapd.conf &
> This is wrong.
- [ ] /usr/sbin/hotspotad /tmp/run_hostapd.conf &
> This is wrong.
## In RPI, what is the right way to start wpa_supplicant ?
- [x] /usr/sbin/wpa_supplicant -Dnl80211 -i wlan0 -c /tmp/run_supplicant.conf &
> This is the correct answer.
- [ ] /usr/local/wpa_supplicant -Dnl80211 -i wlan0 -d /tmp/run_supplicant.conf &
> This is wrong !
- [ ] /usr/sbin/wpa_supplicant -Dwireless_sample -x wlan0 -c /tmp/run_supplicant.conf &
> This is wrong.
- [ ] /usr/sbin/wpa_supplicant -Dnl80211 -i wlan0 -s /tmp/run_supplicant.conf &
> This is wrong.
## wget command is used to ?
- [x] Download a package from Internet
> This is the correct answer.
- [ ] Delete a directory
> This is wrong ! rm or rmdir is used to Delete a directory.
- [ ] Create a socket file
> This is wrong.
- [ ] Compile a program
> This is wrong. A compiler is used to compile a program
## killall command is used to ?
- [x] Terminate all instances of a process
> This is the correct answer.
- [ ] Create process
> This is wrong !
- [ ] Restart network manager
> This is wrong ! /etc/init.d/network-manager restart is used to restart a network manager
- [ ] Create an ordinary file
> This is wrong !
## iwconfig command without arguements ?
- [x] Lists all available wireless interfaces
> This is the correct answer.
- [ ] Lists all available ethernet interfaces
> This is wrong !
- [ ] Lists all available bluetooth interfaces
> This is wrong !
- [ ] None of the above
> This is wrong !
## tar -xvf command ?
- [x] Decompress a compressed .tar.gz file
> This is the correct answer.
- [ ] Decompress a compressed .zip file
> This is wrong !
- [ ] Compress a Decompressed .tar.gz file
> This is wrong ! tar -cvf is used to create a compressed file
- [ ] Compress a Decompressed .zip file
> This is wrong !
## make command is used ?
- [ ] Download a package from Internet
> This is wrong. wget or apt-get is used for downloading a package
- [ ] Delete a directory
> This is wrong ! rm or rmdir is used to Delete a directory.
- [ ] Create a socket file
> This is wrong !
- [x] Compile a program
> This is the correct answer.
## dhclient command is used ?
- [x] on STA side to initiate DORA and get IP address from DHCP server
> This is the correct answer.
- [ ] on AP side to assign a static IP
> This is wrong !
- [ ] on STA side to assign a static IP
> This is wrong !
- [ ] on AP side to assign a DHCP IP
> This is wrong !
## In output of iwconfig command, which field is not seen ?
- [ ] ESSID
> This is wrong !
- [ ] Mode
> This is wrong !
- [x] mtu
> This is the correct answer.
- [ ] Power management
> This is wrong !
## In output of ifconfig command, which field is not seen ?
- [ ] mtu
> This is wrong !
- [ ] ether
> This is wrong !
- [x] ESSID
> This is the correct answer.
- [ ] flags
> This is wrong !
## Which command is used to capture protocol packets ?
- [ ] cat
> This is wrong !
- [ ] sudo iw dev wlan1 interface del moni0 type monitor
> This is wrong !
- [x] wireshark
> This is the correct answer.
- [ ] grep
> This is wrong !
Wi-Fi Abbreviations
## 802.11 PPDU stands for
- [x] Physical Layer Protocol Data Unit
> This is the correct answer.
- [ ] Physical Layer Performance Data Unit
> This is wrong !
- [ ] Performance Layer Protocol Data Unit
> This is wrong.
- [ ] Physical Layer Prohance Data Unit
> This is wrong.
## 802.11 MSDU stands for
- [x] MAC service data unit
> This is the correct answer.
- [ ] MAC session data unit
> This is wrong !
- [ ] Message service data unit
> This is wrong.
- [ ] Message session data unit
> This is wrong.
## In 802.11, MPDU stands for
- [x] MAC protocol data unit
> This is the correct answer.
- [ ] MAC performance data unit
> This is wrong !
- [ ] MAC protocol discover unit
> This is wrong.
- [ ] Message Protocol data unit
> This is wrong.
## In 802.11, TIM stands for
- [x] Traffic indication map
> This is the correct answer.
- [ ] Traffic invert map
> This is wrong !
- [ ] Traffic inner map
> This is wrong.
- [ ] Tangent indication map
> This is wrong.
## U-APSD stands for
- [x] Unscheduled Automatic Power Save Delivery
> This is the correct answer.
- [ ] Unscheduled Automatic Performance Save Delivery
> This is wrong !
- [ ] Unscheduled Arranged Power Save Delivery
> This is wrong.
- [ ] Unscheduled Automatic Power Save Done
> This is wrong.
## WMM PS stands for
- [x] Wireless-Multi-Media Power Save
> This is the correct answer.
- [ ] Wired-Multi-Media Power Save
> This is wrong !
- [ ] Wireless-Multi-Media Performance Save
> This is wrong.
- [ ] Wireless-Multi-Manage Power Save
> This is wrong.
## AMSDU stands for
- [x] Aggregate MAC (Media Access Control) Service Data Unit
> This is the correct answer.
- [ ] Authenticate MAC (Media Access Control) Service Data Unit
> This is wrong !
- [ ] Aggregate MAC (Media Access Control) Session Data Unit
> This is wrong.
- [ ] Aggregate MAC (Media Access Control) Send Data Unit
> This is wrong.
## AMPDU stands for
- [x] Aggregated MAC Protocol Data Unit
> This is the correct answer.
- [ ] Aggregated MAC Performance Data Unit.
> This is wrong !
- [ ] Authenticated MAC Protocol Data Unit.
> This is wrong.
- [ ] Access MAC Protocol Data Unit.
> This is wrong.
## WLAN stands for
- [x] Wireless Local Area Network
> This is the correct answer.
- [ ] Wired Local Access Network
> This is wrong !
- [ ] Wide Logical Area Network
> This is wrong.
- [ ] Wide Logical Access Network
> This is wrong.
## LAN stands for
- [x] Local Area Network
> This is the correct answer.
- [ ] Local Access Network
> This is wrong !
- [ ] Logical Area Network
> This is wrong.
- [ ] Logical Access Network
> This is wrong.
## ACK stands for
- [x] Acknowledgement
> This is the correct answer.
- [ ] Aggregation
> This is wrong !
- [ ] Accumulation
> This is wrong.
- [ ] Access Category
> This is wrong.
## MAC stands for
- [x] Medium Access Control
> This is the correct answer.
- [ ] Medium Authentication Control
> This is wrong !
- [ ] Medium Access Configure
> This is wrong.
- [ ] Medium Access Channel
> This is wrong.
## CSMA/CA stands for
- [x] Carrier-Sense Multiple Access with Collision Avoidance
> This is the correct answer.
- [ ] Carrier-Sense Multiple Access with Channel Avoidance
> This is wrong !
- [ ] Carrier-Sense Multiple Access with Control Avoidance
> This is wrong.
- [ ] Carrier-Sense Multiple Access with Configure Avoidance
> This is wrong.
## CCA stands for
- [x] Clear Channel Assessment
> This is the correct answer.
- [ ] Clear Control Assessment
> This is wrong !
- [ ] Channel Control Assessment
> This is wrong.
- [ ] Clear Control Assessment
> This is wrong.
## CW stands for
- [x] Contention Window
> This is the correct answer.
- [ ] Channel Window
> This is wrong !
- [ ] Control Window
> This is wrong.
- [ ] Clear Window
> This is wrong.
## QoS stands for
- [x] Quality of Service
> This is the correct answer.
- [ ] Quality of SSID
> This is wrong !
- [ ] Quantity of Service
> This is wrong.
- [ ] Quality of Self
> This is wrong.
## AC stands for
- [x] Access category
> This is the correct answer.
- [ ] Access channel
> This is wrong !
- [ ] Access control
> This is wrong.
- [ ] Accept category
> This is wrong.
## DIFS stands for
- [x] DCF Inter-Frame Space
> This is the correct answer.
- [ ] DCF Intra-Frame Space
> This is wrong !
- [ ] DCF Inner-Frame Space
> This is wrong.
- [ ] DCF Invert-Frame Space
> This is wrong.
## HCF stands for
- [x] Hybrid Coordination Function
> This is the correct answer.
- [ ] Hybrid Channel Function
> This is wrong !
- [ ] Hybrid Control Function
> This is wrong.
- [ ] Hybrid Configuraion Function
> This is wrong.
## PCF stands for
- [x] Point Coordination Function
> This is the correct answer.
- [ ] Point Channel Function
> This is wrong !
- [ ] Point Configuration Function
> This is wrong.
- [ ] Point Control Function
> This is wrong.
## DCF stands for
- [x] Distributed Coordination Function
> This is the correct answer.
- [ ] Distributed Configuration Function
> This is wrong !
- [ ] Distributed Channel Function
> This is wrong.
- [ ] Distributed Control Function
> This is wrong.
## EDCA stands for
- [x] Enhanced distributed channel access
> This is the correct answer.
- [ ] Enhanced distributed configure access
> This is wrong !
- [ ] Encrypted distributed channel access
> This is wrong.
- [ ] Encrypted distributed configure access
> This is wrong.
## RTS stands for ?
- [x] Request to Send
> This is the correct answer.
- [ ] Request to Share
> This is wrong !
- [ ] Response to Send
> This is wrong.
- [ ] Response to Share
> This is wrong.
## CTS stands for ?
- [x] Clear to Send
> This is the correct answer.
- [ ] Clear to Share
> This is wrong !
- [ ] Configure to Send
> This is wrong.
- [ ] Configure to Share
> This is wrong.
## GI stands for
- [x] Guard Interval
> This is the correct answer.
- [ ] Gaurd Interest
> This is wrong !
- [ ] Global Interval
> This is wrong.
- [ ] Global Interest
> This is wrong.
## SS stands for
- [x] Spatial Stream
> This is the correct answer.
- [ ] Supply Stream
> This is wrong !
- [ ] Space Service
> This is wrong.
- [ ] Supply Service
> This is wrong.
## BPSK stands for
- [x] Binary phase-shift keying
> This is the correct answer.
- [ ] Better phase-shift keying
> This is wrong !
- [ ] Binary phase-service keying
> This is wrong.
- [ ] Binary phase-session keying
> This is wrong.
## QPSK stands for
- [x] Quadrature Phase Shift Keying
> This is the correct answer.
- [ ] Quadrature Phase Shared Keying
> This is wrong !
- [ ] Quadrature Phase Service Keying
> This is wrong.
- [ ] Quadrature Phase Session Keying
> This is wrong.
## QAM stands for
- [x] quadrature amplitude modulation
> This is the correct answer.
- [ ] quadrature access modulation
> This is wrong !
- [ ] quadrature authentication modulation
> This is wrong.
- [ ] quadrature access messaging
> This is wrong.
## BSS stands for
- [x] Basic Service Set
> This is the correct answer.
- [ ] Basic Service Session
> This is wrong !
- [ ] Basic Service Station
> This is wrong.
- [ ] Basic Service Stand
> This is wrong.
## ESS stands for
- [x] Extended Service Set
> This is the correct answer.
- [ ] Extended Service Session
> This is wrong !
- [ ] Extended Service Station
> This is wrong.
- [ ] Extended Service Stand
> This is wrong.
## TSF stands for
- [x] Timing synchronization function
> This is the correct answer.
- [ ] Timing synchronization factor
> This is wrong !
- [ ] Timing service function
> This is wrong.
- [ ] Timing session function
> This is wrong.
## NAV stands for
- [x] Network Allocation Vector
> This is the correct answer.
- [ ] Network Acess Vector
> This is wrong !
- [ ] Network Authentication Vector
> This is wrong.
- [ ] Network Allocation Vertex
> This is wrong.
## MTU stands for
- [x] Maximum Transmission Unit
> This is the correct answer.
- [ ] Minimum Transmission Unit
> This is wrong !
- [ ] Message Transmission Unit
> This is wrong.
- [ ] Message Traffic Unit
> This is wrong.
## In 802.11, RA stands for
- [x] Receiver Address
> This is the correct answer.
- [ ] Range Address
> This is wrong !
- [ ] Random Address
> This is wrong.
- [ ] Read Address
> This is wrong.
## In 802.11, TA stands for
- [x] Transmitter Address
> This is the correct answer.
- [ ] Traffic Address
> This is wrong !
- [ ] Traverse Address
> This is wrong.
- [ ] TIM Address
> This is wrong.
## In 802.11, DA stands for
- [x] Destination Address
> This is the correct answer.
- [ ] DRAM Address
> This is wrong !
- [ ] Destination Authentication
> This is wrong.
- [ ] DRAM Authentication
> This is wrong.
## In 802.11, SA stands for
- [x] Source Address
> This is the correct answer.
- [ ] Session Address
> This is wrong !
- [ ] Source Authentication
> This is wrong.
- [ ] Session Authentication
> This is wrong.
## PSK stands for ?
- [x] pre-shared key
> This is the correct answer.
- [ ] personal-shared key (PSK)
> This is wrong
- [ ] permanent-shared key
> This is wrong.
- [ ] planned-shared key (PSK)
> This is wrong.
## CRC stands for ?
- [x] cyclic redundancy check
> This is the correct answer.
- [ ] central redundancy check
> This is wrong
- [ ] centrifugal redundancy check (CRC)
> This is wrong.
- [ ] cylindrical redundancy check (CRC)
> This is wrong.
## AAA server stands for ?
- [x] authentication, authorization, and accounting
> This is the correct answer.
- [ ] authentication, advances, and accounting
> This is wrong
- [ ] authentication, authorization, and advances
> This is wrong.
- [ ] advances, authorization, and accounting
> This is wrong.
## WFA stands for ?
- [x] Wi-Fi Alliance
> This is the correct answer.
- [ ] Wi-Fi Authentication
> This is wrong
- [ ] Wi-Fi Advances
> This is wrong.
- [ ] Wi-Fi Accounting
> This is wrong.
## CCMP stands for ?
- [x] Cipher Block Chaining Message Authentication Code Protocol
> This is the correct answer.
- [ ] Cipher Block Chaining Manage Authentication Code Protocol
> This is wrong
- [ ] Cipher Block Chaining Message Advanced Code Protocol
> This is wrong.
- [ ] Cipher Block Chaining Manage Authentication Code Protocol
> This is wrong.
## AES stands for ?
- [x] Advanced Encryption Standard
> This is the correct answer.
- [ ] Authentication Encryption Standard
> This is wrong
- [ ] Advanced Encryption Security
> This is wrong.
- [ ] Authenticated Enhanced Standard
> This is wrong.
## DHCP stands for ?
- [x] Dynamic Host Configuration Protocol
> This is the correct answer.
- [ ] Dynamic Host Correction Protocol
> This is wrong !
- [ ] Dynamic HDD Configration Protocol
> This is wrong !
- [ ] None of the above
> This is wrong !
## ARP stands for ?
- [x] Address Resolution Protocol
> This is the correct answer.
- [ ] Address Request Protocol
> This is wrong !
- [ ] Address Response Protocol
> This is wrong !
- [ ] Address Receive Protocol
> This is wrong !
## ICMP stands for ?
- [x] Internet Control Message Protocol
> This is the correct answer.
- [ ] Internet Common Message Protocol
> This is wrong !
- [ ] Internet Control Manage Protocol
> This is wrong !
- [ ] Internet Common Manage Protocol
> This is wrong !
## TCP stands for ?
- [x] Transmission Control Protocol
> This is the correct answer.
- [ ] Transmission Common Protocol
> This is wrong !
- [ ] Transaction Control Protocol
> This is wrong !
- [ ] Transaction Common Protocol
> This is wrong !
## UDP stands for ?
- [x] User Datagram Protocol
> This is the correct answer.
- [ ] User Datapath Protocol
> This is wrong !
- [ ] Usage Datagram Protocol
> This is wrong !
- [ ] Usage Datapath Protocol
> This is wrong !
## In 802.11, AP stands for ?
- [ ] Address Point
> This is wrong !
- [ ] Access Protocol
> This is wrong !
- [x] Access Point
> This is the correct answer.
- [ ] Address Protocol
> This is wrong !
## In 802.11, STA stands for ?
- [ ] Standard
> This is wrong !
- [ ] Stamp
> This is wrong !
- [x] Station
> This is the correct answer.
- [ ] None of the above
> This is wrong !
## WPA stands for ?
- [ ] Wi-Fi Personalised Access
> This is wrong !
- [ ] Wi-Fi Protected AP
> This is wrong !
- [x] Wi-Fi Protected Access
> This is the correct answer.
- [ ] Wi-Fi Protected Authentication
> This is wrong !
## TKIP stands for ?
- [ ] Temporal Key Internet Protocol
> This is wrong !
- [ ] Temporal Key International Protocol
> This is wrong !
- [x] Temporal Key Integrity Protocol
> This is the correct answer.
- [ ] Temporal Key Internal Protocol
> This is wrong !
## PTK stands for ?
- [ ] Pairwise Transmission Key
> This is wrong !
- [ ] Personal Transient Key
> This is wrong !
- [x] Pairwise Transient Key
> This is the correct answer.
- [ ] Pairwise Transponder Key
> This is wrong !
## GTK stands for ?
- [ ] Group Transient Key
> This is wrong !
- [ ] Global Temporal Key
> This is wrong !
- [x] Group Temporal Key
> This is the correct answer.
- [ ] Group Transponder Key
> This is wrong !
## RSNA stands for ?
- [ ] Range Security Network Association
> This is wrong !
- [ ] Robust Security Navigation Association
> This is wrong !
- [x] Robust Security Network Association
> This is the correct answer.
- [ ] Robust Security Network Authentication
> This is wrong !
## KCK stands for ?
- [ ] EAPOL-Key Congested Key
> This is wrong !
- [ ] EAPOL-Key Configuration Key
> This is wrong !
- [x] EAPOL-Key Confirmation Key
> This is the correct answer.
- [ ] EAPOL-Key Continuous Key
> This is wrong !
## KEK stands for ?
- [ ] EAPOL-Key Enhanced Key
> This is wrong !
- [ ] EAPOL-Key Entity Key
> This is wrong !
- [x] EAPOL-Key Encryption Key
> This is the correct answer.
- [ ] EAPOL-Key Effective Key (KEK)
> This is wrong !
## EAPOL stands for ?
- [ ] Extensible Access Protocol(EAP) over LAN
> This is wrong !
- [x] Extensible Authentication Protocol(EAP) over LAN
> This is the correct answer.
- [ ] Extensible Arranged Protocol(EAP) over LAN
> This is wrong !
- [ ] Extensible Advanced Protocol(EAP) over LAN
> This is wrong !
## MIC stands for ?
- [ ] Message Invert Code
> This is wrong !
- [ ] Message Internal Code
> This is wrong !
- [x] Message Integrity Code
> This is the correct answer.
- [ ] Message Integrity Configuration
> This is wrong !
## PMK stands for ?
- [ ] Pairwise Main Key
> This is wrong !
- [ ] Pairwise Managed Key
> This is wrong !
- [x] Pairwise Master Key
> This is the correct answer.
- [ ] Pairwise Message Key
> This is wrong !
## WPS stands for
- [ ] Wi-Fi Protected Session
> This is wrong !
- [x] Wi-Fi Protected Setup
> This is the correct answer.
- [ ] Wi-Fi Protected Service
> This is wrong !
- [ ] Wi-Fi Private Setup
> This is wrong !
## OWE stands for
- [ ] Opportunistic Wireless Enhancement
> This is wrong !
- [x] Opportunistic Wireless Encryption
> This is the correct answer.
- [ ] Opportunistic Wired Encryption
> This is wrong !
- [ ] Opportunistic Wired Enhancement
> This is wrong !
## WPA3-SAE stands for
- [ ] WPA3 Simultaneous Access of Equals
> This is wrong !
- [x] WPA3 Simultaneous Authentication of Equals
> This is the correct answer.
- [ ] WPA3 Simultaneous Authentication of Encryption
> This is wrong !
- [ ] Simultaneous Access of Encryption
> This is wrong !
Wi-Fi Security
## Which of the following has the strongest wireless security ?
- [x] WPA3
> This is the correct answer.
- [ ] WPA2
> This is wrong !
- [ ] WPA
> This is wrong.
- [ ] WEP
> This is wrong.
## Which of the following is has the worst security encryption standard ?
- [ ] WPA3
> This is wrong !
- [ ] WPA2
> This is wrong !
- [ ] WPA
> This is wrong.
- [x] WEP
> This is the correct answer.
## PSK stands for ?
- [x] pre-shared key
> This is the correct answer.
- [ ] personal-shared key (PSK)
> This is wrong
- [ ] permanent-shared key
> This is wrong.
- [ ] planned-shared key (PSK)
> This is wrong.
## CRC stands for ?
- [x] cyclic redundancy check
> This is the correct answer.
- [ ] central redundancy check
> This is wrong
- [ ] centrifugal redundancy check (CRC)
> This is wrong.
- [ ] cylindrical redundancy check (CRC)
> This is wrong.
## AAA server stands for ?
- [x] authentication, authorization, and accounting
> This is the correct answer.
- [ ] authentication, advances, and accounting
> This is wrong
- [ ] authentication, authorization, and advances
> This is wrong.
- [ ] advances, authorization, and accounting
> This is wrong.
## WFA stands for ?
- [x] Wi-Fi Alliance
> This is the correct answer.
- [ ] Wi-Fi Authentication
> This is wrong
- [ ] Wi-Fi Advances
> This is wrong.
- [ ] Wi-Fi Accounting
> This is wrong.
## CCMP stands for ?
- [x] Cipher Block Chaining Message Authentication Code Protocol
> This is the correct answer.
- [ ] Cipher Block Chaining Manage Authentication Code Protocol
> This is wrong
- [ ] Cipher Block Chaining Message Advanced Code Protocol
> This is wrong.
- [ ] Cipher Block Chaining Manage Authentication Code Protocol
> This is wrong.
## AES stands for ?
- [x] Advanced Encryption Standard
> This is the correct answer.
- [ ] Authentication Encryption Standard
> This is wrong
- [ ] Advanced Encryption Security
> This is wrong.
- [ ] Authenticated Enhanced Standard
> This is wrong.
## TCP UL means ?
- [x] iperf server on AP side, iperf client on STA side
> This is the correct answer.
- [ ] iperf server on STA side, iperf client on AP side
> This is wrong !
- [ ] iperf client on STA side, iperf client on AP side
> This is wrong !
- [ ] iperf server on STA side, iperf server on AP side
> This is wrong !
## UDP UL means ?
- [x] iperf server on AP side, iperf client on STA side
> This is the correct answer.
- [ ] iperf server on STA side, iperf client on AP side
> This is wrong !
- [ ] iperf client on STA side, iperf client on AP side
> This is wrong !
- [ ] iperf server on STA side, iperf server on AP side
> This is wrong !
## TCP DL means ?
- [ ] iperf server on AP side, iperf client on STA side
> This is wrong !
- [x] iperf server on STA side, iperf client on AP side
> This is the correct answer.
- [ ] iperf client on STA side, iperf client on AP side
> This is wrong !
- [ ] iperf server on STA side, iperf server on AP side
> This is wrong !
## UDP DL means ?
- [ ] iperf server on AP side, iperf client on STA side
> This is wrong !
- [x] iperf server on STA side, iperf client on AP side
> This is the correct answer.
- [ ] iperf client on STA side, iperf client on AP side
> This is wrong !
- [ ] iperf server on STA side, iperf server on AP side
> This is wrong !
## DHCP stands for ?
- [x] Dynamic Host Configuration Protocol
> This is the correct answer.
- [ ] Dynamic Host Correction Protocol
> This is wrong !
- [ ] Dynamic HDD Configration Protocol
> This is wrong !
- [ ] None of the above
> This is wrong !
## DORA stand for ?
- [x] DHCP Discover, DHCP Offer, DHCP Request, DHCP ACK
> This is the correct answer.
- [ ] DHCP DIFS, DHCP Offer, DHCP Request, DHCP ACK
> This is wrong !
- [ ] DHCP Discover, DHCP offer, DHCP Response, DHCP ACK
> This is wrong !
- [ ] DHCP Discover, DHCP offer, DHCP Response, DHCP Arrange
> This is wrong !
## ARP stands for ?
- [x] Address Resolution Protocol
> This is the correct answer.
- [ ] Address Request Protocol
> This is wrong !
- [ ] Address Response Protocol
> This is wrong !
- [ ] Address Receive Protocol
> This is wrong !
## ICMP stands for ?
- [x] Internet Control Message Protocol
> This is the correct answer.
- [ ] Internet Common Message Protocol
> This is wrong !
- [ ] Internet Control Manage Protocol
> This is wrong !
- [ ] Internet Common Manage Protocol
> This is wrong !
## TCP stands for ?
- [x] Transmission Control Protocol
> This is the correct answer.
- [ ] Transmission Common Protocol
> This is wrong !
- [ ] Transaction Control Protocol
> This is wrong !
- [ ] Transaction Common Protocol
> This is wrong !
## UDP stands for ?
- [x] User Datagram Protocol
> This is the correct answer.
- [ ] User Datapath Protocol
> This is wrong !
- [ ] Usage Datagram Protocol
> This is wrong !
- [ ] Usage Datapath Protocol
> This is wrong !
## ping application uses ?
- [ ] User Datagram Protocol - UDP
> This is wrong !
- [ ] Transmission Control Protocol - TCP
> This is wrong !
- [x] Internet Control Message Protocol - ICMP
> This is the correct answer.
- [ ] None of the above
> This is wrong !
## In 802.11 Open security mode, authentication phase uses ?
- [ ] Four authentication packets
> This is wrong !
- [ ] Six authentication packets
> This is wrong !
- [x] Two authentication packets
> This is the correct answer.
- [ ] One authentication packet
> This is wrong !
## In 802.11 Open security mode, association phase uses ?
- [ ] Four association packets
> This is wrong !
- [ ] Six association packets
> This is wrong !
- [x] Two association packets
> This is the correct answer.
- [ ] One association packet
> This is wrong !
## ARP is used to resolve ?
- [ ] IPv4 address
> This is wrong !
- [ ] IPv6 address
> This is wrong !
- [x] MAC address
> This is the correct answer.
- [ ] None of the above
> This is wrong !
## In 802.11, AP stands for ?
- [ ] Address Point
> This is wrong !
- [ ] Access Protocol
> This is wrong !
- [x] Access Point
> This is the correct answer.
- [ ] Address Protocol
> This is wrong !
## In 802.11, STA stands for ?
- [ ] Standard
> This is wrong !
- [ ] Stamp
> This is wrong !
- [x] Station
> This is the correct answer.
- [ ] None of the above
> This is wrong !
## In 802.11, Beacon packet is sent by ?
- [ ] Monitor mode
> This is wrong !
- [ ] Station
> This is wrong !
- [x] Access Point
> This is the correct answer.
- [ ] None of the above
> This is wrong !
## In 802.11, Probe-Response packet is sent by ?
- [ ] Monitor mode
> This is wrong !
- [ ] Station
> This is wrong !
- [x] Access Point
> This is the correct answer.
- [ ] None of the above
> This is wrong !
## In 802.11, Authentication Request packet is sent by ?
- [ ] Monitor mode
> This is wrong !
- [ ] Access Point
> This is wrong !
- [x] Station
> This is the correct answer.
- [ ] None of the above
> This is wrong !
## In 802.11, Association Request packet is sent by ?
- [ ] Monitor mode
> This is wrong !
- [ ] Access Point
> This is wrong !
- [x] Station
> This is the correct answer.
- [ ] None of the above
> This is wrong !
## In 802.11, Association Response packet is sent by ?
- [ ] Monitor mode
> This is wrong !
- [ ] Station
> This is wrong !
- [x] Access Point
> This is the correct answer.
- [ ] None of the above
> This is wrong !
## In 802.11, Authentication Response packet is sent by ?
- [ ] Monitor mode
> This is wrong !
- [ ] Station
> This is wrong !
- [x] Access Point
> This is the correct answer.
- [ ] None of the above
> This is wrong !
## What is the right sequence used for connection in Open security ?
- [ ] Authentiaction, Scanning, Association, Ping, DORA
> This is wrong !
- [ ] Association, Authentication, DORA, Ping
> This is wrong !
- [x] Scanning, Authentication, Association, DORA, Ping
> This is the correct answer.
- [ ] Association, DORA, Ping, Authentication, Scanning
> This is wrong !
## DHCP Discover packet is ?
- [ ] sent from AP to AP
> This is wrong !
- [ ] sent from STA to STA
> This is wrong !
- [x] sent from STA to AP
> This is the correct answer.
- [ ] sent from AP to STA
> This is wrong !
## DHCP Request packet is ?
- [ ] sent from AP to AP
> This is wrong !
- [ ] sent from STA to STA
> This is wrong !
- [x] sent from STA to AP
> This is the correct answer.
- [ ] sent from AP to STA
> This is wrong !
## DHCP ACK packet is ?
- [ ] sent from AP to AP
> This is wrong !
- [ ] sent from STA to STA
> This is wrong !
- [x] sent from AP to STA
> This is the correct answer.
- [ ] sent from STA to AP
> This is wrong !
## WPA stands for ?
- [ ] Wi-Fi Personalised Access
> This is wrong !
- [ ] Wi-Fi Protected AP
> This is wrong !
- [x] Wi-Fi Protected Access
> This is the correct answer.
- [ ] Wi-Fi Protected Authentication
> This is wrong !
## TKIP stands for ?
- [ ] Temporal Key Internet Protocol
> This is wrong !
- [ ] Temporal Key International Protocol
> This is wrong !
- [x] Temporal Key Integrity Protocol
> This is the correct answer.
- [ ] Temporal Key Internal Protocol
> This is wrong !
## PTK stands for ?
- [ ] Pairwise Transmission Key
> This is wrong !
- [ ] Personal Transient Key
> This is wrong !
- [x] Pairwise Transient Key
> This is the correct answer.
- [ ] Pairwise Transponder Key
> This is wrong !
## Which 802.11 standard has security enhancements ?
- [ ] 802.11a
> This is wrong !
- [ ] 802.11b
> This is wrong !
- [x] 802.11i
> This is the correct answer.
- [ ] 802.11n
> This is wrong !
## 802.11i was introduced in which year ?
- [ ] 1999
> This is wrong !
- [ ] 2006
> This is wrong !
- [x] 2004
> This is the correct answer.
- [ ] 2007
> This is wrong !
## GTK stands for ?
- [ ] Group Transient Key
> This is wrong !
- [ ] Global Temporal Key
> This is wrong !
- [x] Group Temporal Key
> This is the correct answer.
- [ ] Group Transponder Key
> This is wrong !
## RSNA stands for ?
- [ ] Range Security Network Association
> This is wrong !
- [ ] Robust Security Navigation Association
> This is wrong !
- [x] Robust Security Network Association
> This is the correct answer.
- [ ] Robust Security Network Authentication
> This is wrong !
## KCK stands for ?
- [ ] EAPOL-Key Congested Key
> This is wrong !
- [ ] EAPOL-Key Configuration Key
> This is wrong !
- [x] EAPOL-Key Confirmation Key
> This is the correct answer.
- [ ] EAPOL-Key Continuous Key
> This is wrong !
## KEK stands for ?
- [ ] EAPOL-Key Enhanced Key
> This is wrong !
- [ ] EAPOL-Key Entity Key
> This is wrong !
- [x] EAPOL-Key Encryption Key
> This is the correct answer.
- [ ] EAPOL-Key Effective Key (KEK)
> This is wrong !
## EAPOL stands for ?
- [ ] Extensible Access Protocol(EAP) over LAN
> This is wrong !
- [x] Extensible Authentication Protocol(EAP) over LAN
> This is the correct answer.
- [ ] Extensible Arranged Protocol(EAP) over LAN
> This is wrong !
- [ ] Extensible Advanced Protocol(EAP) over LAN
> This is wrong !
## MIC stands for ?
- [ ] Message Invert Code
> This is wrong !
- [ ] Message Internal Code
> This is wrong !
- [x] Message Integrity Code
> This is the correct answer.
- [ ] Message Integrity Configuration
> This is wrong !
## How many EAPOL packets are used in WPA ?
- [ ] 2
> This is wrong !
- [ ] 6
> This is wrong !
- [x] 4
> This is the correct answer.
- [ ] 8
> This is wrong !
## In 802.11 WPA, M1 is ?
- [ ] sent from STA to STA
> This is wrong !
- [ ] sent from STA to AP
> This is wrong !
- [x] sent from AP to STA
> This is the correct answer.
- [ ] send from AP to AP
> This is wrong !
## In 802.11 WPA, M3 is ?
- [ ] sent from STA to STA
> This is wrong !
- [ ] sent from STA to AP
> This is wrong !
- [x] sent from AP to STA
> This is the correct answer.
- [ ] send from AP to AP
> This is wrong !
## In 802.11 WPA, M2 is ?
- [ ] sent from STA to STA
> This is wrong !
- [ ] sent from AP to STA
> This is wrong !
- [x] sent from STA to AP
> This is the correct answer.
- [ ] send from AP to AP
> This is wrong !
## In 802.11 WPA, M4 is ?
- [ ] sent from STA to STA
> This is wrong !
- [ ] sent from AP to STA
> This is wrong !
- [x] sent from STA to AP
> This is the correct answer.
- [ ] send from AP to AP
> This is wrong !
## PMK stands for ?
- [ ] Pairwise Main Key
> This is wrong !
- [ ] Pairwise Managed Key
> This is wrong !
- [x] Pairwise Master Key
> This is the correct answer.
- [ ] Pairwise Message Key
> This is wrong !
## PTK is used for ?
- [ ] Encrypt/Decrypt of Beacon packets
> This is wrong !
- [ ] Encrypt/Decrypt of Multicast data packets
> This is wrong !
- [x] Encrypt/Decrypt of Unicast data packets
> This is the correct answer.
- [ ] Encrypt/Decrypt of 802.11 ACK packets
> This is wrong !
## GTK is used for ?
- [ ] Encrypt/Decrypt of Beacon packets
> This is wrong !
- [x] Encrypt/Decrypt of Multicast data packets
> This is the correct answer.
- [ ] Encrypt/Decrypt of Unicast data packets
> This is wrong !
- [ ] Encrypt/Decrypt of 802.11 ACK packets
> This is wrong !
## Which Information Element is included in Beacon indicating support for RSN WPA ?
- [ ] CSA IE
> This is wrong !
- [x] RSN IE
> This is the correct answer.
- [ ] SSID IE
> This is wrong !
- [ ] P2P IE
> This is wrong !
## Which Information Element is included in Beacon indicating support for RSN WPA ?
- [ ] CSA IE
> This is wrong !
- [x] RSN IE
> This is the correct answer.
- [ ] SSID IE
> This is wrong !
- [ ] P2P IE
> This is wrong !
## What is the correct sequence of connection used in WPA ?
- [ ] Authentication, Scanning, Association, 4-Way handshake, DORA, Ping
> This is wrong !
- [x] Scanning, Authentication, Association, 4-Way handshake, DORA, Ping
> This is the correct answer.
- [ ] Scanning, Association, Authentication, 4-Way handshake, DORA, Ping
> This is wrong !
- [ ] Scanning, Association, Authentication, DORA, 4-Way handshake, Ping
> This is wrong !
## What is the correct sequence of connection used in WPA2 ?
- [ ] Authentication, Scanning, Association, 4-Way handshake, DORA, Ping
> This is wrong !
- [x] Scanning, Authentication, Association, 4-Way handshake, DORA, Ping
> This is the correct answer.
- [ ] Scanning, Association, Authentication, 4-Way handshake, DORA, Ping
> This is wrong !
- [ ] Scanning, Association, Authentication, DORA, 4-Way handshake, Ping
> This is wrong !
## In 802.11 WPA2, how many EAPOL packets are exchanged ?
- [ ] 2
> This is wrong !
- [x] 4
> This is the correct answer.
- [ ] 6
> This is wrong !
- [ ] 8
> This is wrong !
## In 802.11 WPA2, how many Authentication packets are exchanged ?
- [ ] 4
> This is wrong !
- [x] 2
> This is the correct answer.
- [ ] 6
> This is wrong !
- [ ] 8
> This is wrong !
## WPS stands for
- [ ] Wi-Fi Protected Session
> This is wrong !
- [x] Wi-Fi Protected Setup
> This is the correct answer.
- [ ] Wi-Fi Protected Service
> This is wrong !
- [ ] Wi-Fi Private Setup
> This is wrong !
## Enrolle and Registrar operations are part of
- [ ] WPA
> This is wrong !
- [x] WPS
> This is the correct answer.
- [ ] WPA2
> This is wrong !
- [ ] WPA3
> This is wrong !
## Which one is a WPS method ?
- [ ] WPA
> This is wrong !
- [x] WPS-PBC
> This is the correct answer.
- [ ] WPA2
> This is wrong !
- [ ] WPA3
> This is wrong !
## Which one is a WPS method ?
- [ ] WPA
> This is wrong !
- [x] WPS-PIN
> This is the correct answer.
- [ ] WPA2
> This is wrong !
- [ ] WPA3
> This is wrong !
## In WPS method of connection, there are ?
- [ ] 3 authentications, 3 associations
> This is wrong !
- [x] 2 authentications, 2 associations
> This is the correct answer.
- [ ] 8 authentications, 8 associations
> This is wrong !
- [ ] 12 authentications, 12 associations
> This is wrong !
## In WPS method of connection, sequence of connection is as below ?
- [ ] Authentication, Association, 8 EAPOLs, Deauth, Authentication, Association, 4 way handshake, DORA
> This is wrong !
- [x] Authentication, Association, 13 EAPOLs, Deauth, Authentication, Association, 4 way handshake, DORA
> This is the correct answer.
- [ ] Authentication, Association, 10 EAPOLs, Deauth, Authentication, Association, 4 way handshake, DORA
> This is wrong !
- [ ] Authentication, Association, 13 EAPOLs, Deauth, Authentication, DORA, Association, 4 way handshake
> This is wrong !
## In WPS method of connection ?
- [ ] WSC M1 is sent from Registrar to Registrar
> This is wrong !
- [x] WSC M1 is sent from Enrollee to Registrar
> This is the correct answer.
- [x] WSC M1 is sent from Enrollee to Enrollee
> This is wrong !
- [x] WSC M1 is sent from Registrar to Enrollee
> This is wrong !
## OWE stands for
- [ ] Opportunistic Wireless Enhancement
> This is wrong !
- [x] Opportunistic Wireless Encryption
> This is the correct answer.
- [ ] Opportunistic Wired Encryption
> This is wrong !
- [ ] Opportunistic Wired Enhancement
> This is wrong !
## WPA3-SAE stands for
- [ ] WPA3 Simultaneous Access of Equals
> This is wrong !
- [x] WPA3 Simultaneous Authentication of Equals
> This is the correct answer.
- [ ] WPA3 Simultaneous Authentication of Encryption
> This is wrong !
- [ ] Simultaneous Access of Encryption
> This is wrong !
# Push button overlap is a scenario seen in
- [ ] WPA2
> This is wrong !
- [x] WPS-PBC
> This is the correct answer.
- [ ] WPS-PIN
> This is wrong !
- [ ] WPA3
> This is wrong !
Wi-Fi CSMA/CA
## 802.11 MPDU is
- [x] 802.11 MAC Header + MSDU
> This is the correct answer.
- [ ] 802.11 PHY Header + 802.11 MAC Header + MSDU
> This is wrong !
- [ ] is equal to MSDU
> This is wrong.
- [ ] is equal to Application packet
> This is wrong.
## Which one is not a Control packet ?
- [x] EAPOL packet
> This is the correct answer.
- [ ] ACK
> This is wrong !
- [ ] PS-Poll
> This is wrong.
- [ ] Block-ACK
> This is wrong.
## 802.11 Data packets can have ?
- [x] 3 or 4 address fields
> This is the correct answer.
- [ ] 4 or 5 address fields
> This is wrong !
- [ ] 2 or 3 address fields
> This is wrong.
- [ ] 1 address field
> This is wrong.
## 802.11 Management packets can have ?
- [x] 3 address fields
> This is the correct answer.
- [ ] 4 address fields
> This is wrong !
- [ ] 2 address fields
> This is wrong.
- [ ] 1 address field
> This is wrong.
## Which field is not present in Frame control field ?
- [x] DTIM
> This is the correct answer.
- [ ] Power Management bit
> This is wrong !
- [ ] Type
> This is wrong.
- [ ] Sub-Type
> This is wrong.
## Ethertype of IPv6 is ?
- [x] 0x886d
> This is the correct answer.
- [ ] 0x0806
> This is wrong !
- [ ] 0x888e
> This is wrong.
- [ ] 0x8000
> This is wrong.
## Ethertype of IPv4 is ?
- [x] 0x0800
> This is the correct answer.
- [ ] 0x0806
> This is wrong !
- [ ] 0x888e
> This is wrong.
- [ ] 0x886d
> This is wrong.
## Ethertype of ARP is ?
- [x] 0x0806
> This is the correct answer.
- [ ] 0x0800
> This is wrong !
- [ ] 0x888e
> This is wrong.
- [ ] 0x886d
> This is wrong.
## ICMP packet format sent via Wi-Fi ?
- [x] 802.11 Header + RFC1042 + Ethertype + IP Header + ICMP Header
> This is the correct answer.
- [ ] RFC1042 + Ethertype + IP Header + ICMP Header
> This is wrong !
- [ ] 802.11 Header + Ethertype + IP Header + ICMP Header
> This is wrong.
- [ ] 802.11 Header + RFC1042 + IP Header + ICMP Header
> This is wrong.
## UDP data packet format sent via Wi-Fi ?
- [x] 802.11 Header + RFC1042 + Ethertype + IP Header + UDP Header + User Data
> This is the correct answer.
- [ ] RFC1042 + Ethertype + IP Header + UDP Header + User Data
> This is wrong !
- [ ] 802.11 Header + Ethertype + IP Header + UDP Header + User Data
> This is wrong.
- [ ] 802.11 Header + RFC1042 + IP Header + UDP Header + User Data
> This is wrong.
## TCP data packet format sent via Wi-Fi ?
- [x] 802.11 Header + RFC1042 + Ethertype + IP Header + TCP Header + User Data
> This is the correct answer.
- [ ] RFC1042 + Ethertype + IP Header + TCP Header + User Data
> This is wrong !
- [ ] 802.11 Header + Ethertype + IP Header + TCP Header + User Data
> This is wrong.
- [ ] 802.11 Header + RFC1042 + IP Header + TCP Header + User Data
> This is wrong.
## Data Packets sent by Station ?
- [x] will have Address 1 field set to Unicast MAC address always
> This is the correct answer.
- [ ] will have Address 1 field set to Multicast MAC address always
> This is wrong !
- [ ] will have Address 1 field set to Broadcast MAC address always
> This is wrong.
- [ ] None
> This is wrong.
## Which packets are ACKed ?
- [x] Unicast packets - packets (Management and Data) with Address 1 field having Unicast MAC address
> This is the correct answer.
- [ ] Multicast packets - Data packets with Address 1 field having Multicast MAC address
> This is wrong !
- [ ] Management packets with Address 1 field set to Broadcast MAC address
> This is wrong.
- [ ] Control packets
> This is wrong.
## AMPDU Aggregation is done for
- [x] Unicast packets - Data packets with Address 1 field having Unicast address
> This is the correct answer.
- [ ] Multicast packets - Data packets with Address 1 field having Multicast address
> This is wrong !
- [ ] Management packets
> This is wrong.
- [ ] Control packets
> This is wrong.
## Single 802.11 MPDU with Address 1 field set to Unicast Address is Acked with
- [x] Normal-Ack
> This is the correct answer.
- [ ] Enhanced-Ack
> This is wrong !
- [ ] Block-Ack
> This is wrong.
- [ ] No-Ack
> This is wrong.
## 802.11 MPDU is always acknowdledged with
- [x] Normal-Ack
> This is the correct answer.
- [ ] Enhanced-Ack
> This is wrong !
- [ ] Block-Ack
> This is wrong.
- [ ] No-Ack
> This is wrong.
## 802.11 A-MPDU is always acknowdledged with
- [ ] Normal-Ack
> This is the correct answer.
- [ ] Enhanced-Ack
> This is wrong !
- [x] Block-Ack
> This is wrong.
- [ ] No-Ack
> This is wrong.
## 802.11 A-MPDU has
- [ ] 1 802.11 MAC Header
> This is the correct answer.
- [ ] 4 802.11 MAC Headers
> This is wrong !
- [x] 1 802.11 MAC Header per every sub MPDU
> This is wrong.
- [ ] 8 802.11 MAC Headers
> This is wrong.
## 802.11 A-MSDU has
- [x] 1 802.11 MAC Header
> This is the correct answer.
- [ ] 4 802.11 MAC Headers
> This is wrong !
- [ ] 1 802.11 MAC Header per every sub MSDU
> This is wrong.
- [ ] 8 802.11 MAC Headers
> This is wrong.
## 802.11 PSDU is also equal to
- [x] 802.11 MPDU
> This is the correct answer.
- [ ] 802.11 MSDU
> This is wrong !
- [ ] 802.11 A-MSDU
> This is wrong.
- [ ] 802.11 PPDU
> This is wrong.
## 802.11 PPDU is
- [x] 802.11 Phy Header + PSDU
> This is the correct answer.
- [ ] 802.11 MAC Header + PSDU
> This is wrong !
- [ ] 802.11 MAC Header + MSDU
> This is wrong.
- [ ] 802.11 MAC Header + A-MSDU
> This is wrong.
## 802.11 PPDU stands for
- [x] Physical Layer Protocol Data Unit
> This is the correct answer.
- [ ] Physical Layer Performance Data Unit
> This is wrong !
- [ ] Performance Layer Protocol Data Unit
> This is wrong.
- [ ] Physical Layer Prohance Data Unit
> This is wrong.
## 802.11 MSDU stands for
- [x] MAC service data unit
> This is the correct answer.
- [ ] MAC session data unit
> This is wrong !
- [ ] Message service data unit
> This is wrong.
- [ ] Message session data unit
> This is wrong.
## In 802.11, MPDU stands for
- [x] MAC protocol data unit
> This is the correct answer.
- [ ] MAC performance data unit
> This is wrong !
- [ ] MAC protocol discover unit
> This is wrong.
- [ ] Message Protocol data unit
> This is wrong.
## In 802.11, TIM stands for
- [x] Traffic indication map
> This is the correct answer.
- [ ] Traffic invert map
> This is wrong !
- [ ] Traffic inner map
> This is wrong.
- [ ] Tangent indication map
> This is wrong.
## U-APSD stands for
- [x] Unscheduled Automatic Power Save Delivery
> This is the correct answer.
- [ ] Unscheduled Automatic Performance Save Delivery
> This is wrong !
- [ ] Unscheduled Arranged Power Save Delivery
> This is wrong.
- [ ] Unscheduled Automatic Power Save Done
> This is wrong.
## WMM PS stands for
- [x] Wireless-Multi-Media Power Save
> This is the correct answer.
- [ ] Wired-Multi-Media Power Save
> This is wrong !
- [ ] Wireless-Multi-Media Performance Save
> This is wrong.
- [ ] Wireless-Multi-Manage Power Save
> This is wrong.
## 6GHz operation was introduced in
- [x] 802.11ax
> This is the correct answer.
- [ ] 802.11a
> This is wrong !
- [ ] 802.11b
> This is wrong.
- [ ] 802.11g
> This is wrong.
## RSN was introduced in
- [x] 802.11i
> This is the correct answer.
- [ ] 802.11a
> This is wrong !
- [ ] 802.11b
> This is wrong.
- [ ] 802.11g
> This is wrong.
## QoS was introduced in
- [x] 802.11e
> This is the correct answer.
- [ ] 802.11a
> This is wrong !
- [ ] 802.11b
> This is wrong.
- [ ] 802.11i
> This is wrong.
## AMSDU, AMPDU was introduced in
- [x] 802.11n
> This is the correct answer.
- [ ] 802.11a
> This is wrong !
- [ ] 802.11b
> This is wrong.
- [ ] 802.11g
> This is wrong.
## AMSDU stands for
- [x] Aggregate MAC (Media Access Control) Service Data Unit
> This is the correct answer.
- [ ] Authenticate MAC (Media Access Control) Service Data Unit
> This is wrong !
- [ ] Aggregate MAC (Media Access Control) Session Data Unit
> This is wrong.
- [ ] Aggregate MAC (Media Access Control) Send Data Unit
> This is wrong.
## AMPDU stands for
- [x] Aggregated MAC Protocol Data Unit
> This is the correct answer.
- [ ] Aggregated MAC Performance Data Unit.
> This is wrong !
- [ ] Authenticated MAC Protocol Data Unit.
> This is wrong.
- [ ] Access MAC Protocol Data Unit.
> This is wrong.
## SIFS is used between Packet and ACK
- [x] TRUE
> This is the correct answer.
- [ ] FALSE
> This is wrong !
- [ ] DIFS is used
> This is wrong.
- [ ] None
> This is wrong.
## EIFS is used for retried transmission attempt of the packet
- [x] TRUE
> This is the correct answer.
- [ ] FALSE
> This is wrong !
- [ ] SIFS is used
> This is wrong.
- [ ] None
> This is wrong.
## EIFS is used for first transmission attempt of the packet
- [ ] TRUE
> This is the correct answer.
- [x] FALSE
> This is wrong !
- [ ] SIFS is used
> This is wrong.
- [ ] None
> This is wrong.
## DIFS is used for first transmission attempt of the packet
- [x] TRUE
> This is the correct answer.
- [ ] FALSE
> This is wrong !
- [ ] SIFS is used
> This is wrong.
- [ ] None
> This is wrong.
## Retry bit set to 0 in first transmission attempt of the packet
- [x] TRUE
> This is the correct answer.
- [ ] FALSE
> This is wrong !
- [ ] Retry bit is not used in packet
> This is wrong.
- [ ] None
> This is wrong.
## Retry bit set to 1 in first transmission attempt of the packet
- [ ] TRUE
> This is the correct answer.
- [x] FALSE
> This is wrong !
- [ ] Retry bit is not used in packet
> This is wrong.
- [ ] None
> This is wrong.
## WLAN stands for
- [x] Wireless Local Area Network
> This is the correct answer.
- [ ] Wired Local Access Network
> This is wrong !
- [ ] Wide Logical Area Network
> This is wrong.
- [ ] Wide Logical Access Network
> This is wrong.
## LAN stands for
- [x] Local Area Network
> This is the correct answer.
- [ ] Local Access Network
> This is wrong !
- [ ] Logical Area Network
> This is wrong.
- [ ] Logical Access Network
> This is wrong.
## When packet length is shorter than RTS threshold
- [x] Short Retry Limit is used
> This is the correct answer.
- [ ] Long Retry Limit is used
> This is wrong !
- [ ] Enhanced Retry Limit is used
> This is wrong.
- [ ] None
> This is wrong.
## When packet length is greater than RTS threshold
- [x] Long Retry Limit is used
> This is the correct answer.
- [ ] Short Retry Limit is used
> This is wrong !
- [ ] Enhanced Retry Limit is used
> This is wrong.
- [ ] None
> This is wrong.
## ACK stands for
- [x] Acknowledgement
> This is the correct answer.
- [ ] Aggregation
> This is wrong !
- [ ] Accumulation
> This is wrong.
- [ ] Access Category
> This is wrong.
## MAC stands for
- [x] Medium Access Control
> This is the correct answer.
- [ ] Medium Authentication Control
> This is wrong !
- [ ] Medium Access Configure
> This is wrong.
- [ ] Medium Access Channel
> This is wrong.
## CSMA/CA stands for
- [x] Carrier-Sense Multiple Access with Collision Avoidance
> This is the correct answer.
- [ ] Carrier-Sense Multiple Access with Channel Avoidance
> This is wrong !
- [ ] Carrier-Sense Multiple Access with Control Avoidance
> This is wrong.
- [ ] Carrier-Sense Multiple Access with Configure Avoidance
> This is wrong.
## CCA stands for
- [x] Clear Channel Assessment
> This is the correct answer.
- [ ] Clear Control Assessment
> This is wrong !
- [ ] Channel Control Assessment
> This is wrong.
- [ ] Clear Control Assessment
> This is wrong.
## CW stands for
- [x] Contention Window
> This is the correct answer.
- [ ] Channel Window
> This is wrong !
- [ ] Control Window
> This is wrong.
- [ ] Clear Window
> This is wrong.
## QoS stands for
- [x] Quality of Service
> This is the correct answer.
- [ ] Quality of SSID
> This is wrong !
- [ ] Quantity of Service
> This is wrong.
- [ ] Quality of Self
> This is wrong.
## AC stands for
- [x] Access category
> This is the correct answer.
- [ ] Access channel
> This is wrong !
- [ ] Access control
> This is wrong.
- [ ] Accept category
> This is wrong.
## EIFS
- [x] Extended Inter-Frame Space
> This is the correct answer.
- [ ] Extended Intra-Frame Space
> This is wrong !
- [ ] Extended Invert-Frame Space
> This is wrong.
- [ ] Extended Inner-Frame Space
> This is wrong.
## RIFS
- [x] Reduced Inter-Frame Space
> This is the correct answer.
- [ ] Reduced Intra-Frame Space
> This is wrong !
- [ ] Reduced Invert-Frame Space
> This is wrong.
- [ ] Reduced Inner-Frame Space
> This is wrong.
## AIFS
- [x] Arbitrary Inter-Frame Space
> This is the correct answer.
- [ ] Arbitrary Intra-Frame Space
> This is wrong !
- [ ] Arbitrary Invert-Frame Space
> This is wrong.
- [ ] Arbitrary Inner-Frame Space
> This is wrong.
## SIFS
- [x] Short Inter-Frame Space
> This is the correct answer.
- [ ] Short Intra-Frame Space
> This is wrong !
- [ ] Short Invert-Frame Space
> This is wrong.
- [ ] Short Inner-Frame Space
> This is wrong.
## DIFS stands for
- [x] DCF Inter-Frame Space
> This is the correct answer.
- [ ] DCF Intra-Frame Space
> This is wrong !
- [ ] DCF Inner-Frame Space
> This is wrong.
- [ ] DCF Invert-Frame Space
> This is wrong.
## HCF stands for
- [x] Hybrid Coordination Function
> This is the correct answer.
- [ ] Hybrid Channel Function
> This is wrong !
- [ ] Hybrid Control Function
> This is wrong.
- [ ] Hybrid Configuraion Function
> This is wrong.
## PCF stands for
- [x] Point Coordination Function
> This is the correct answer.
- [ ] Point Channel Function
> This is wrong !
- [ ] Point Configuration Function
> This is wrong.
- [ ] Point Control Function
> This is wrong.
## DCF stands for
- [x] Distributed Coordination Function
> This is the correct answer.
- [ ] Distributed Configuration Function
> This is wrong !
- [ ] Distributed Channel Function
> This is wrong.
- [ ] Distributed Control Function
> This is wrong.
## EDCA stands for
- [x] Enhanced distributed channel access
> This is the correct answer.
- [ ] Enhanced distributed configure access
> This is wrong !
- [ ] Encrypted distributed channel access
> This is wrong.
- [ ] Encrypted distributed configure access
> This is wrong.
## RTS stands for ?
- [x] Request to Send
> This is the correct answer.
- [ ] Request to Share
> This is wrong !
- [ ] Response to Send
> This is wrong.
- [ ] Response to Share
> This is wrong.
## CTS stands for ?
- [x] Clear to Send
> This is the correct answer.
- [ ] Clear to Share
> This is wrong !
- [ ] Configure to Send
> This is wrong.
- [ ] Configure to Share
> This is wrong.
## Slot time is ?
- [x] 9 micro seconds in 802.11n
> This is the correct answer.
- [ ] 20 micro seconds in 802.11n
> This is wrong !
- [ ] 40 micro seconds in 802.11n
> This is wrong.
- [ ] 15 micro seconds in 802.11n
> This is wrong.
## Slot time is ?
- [x] 20 micro seconds in 802.11b
> This is the correct answer.
- [ ] 9 micro seconds in 802.11b
> This is wrong !
- [ ] 40 micro seconds in 802.11b
> This is wrong.
- [ ] 15 micro seconds in 802.11b
> This is wrong.
## GI stands for
- [x] Guard Interval
> This is the correct answer.
- [ ] Gaurd Interest
> This is wrong !
- [ ] Global Interval
> This is wrong.
- [ ] Global Interest
> This is wrong.
## Two types of Guard Intervals are
- [x] Short Guard Interval and Long Gaurd Interval
> This is the correct answer.
- [ ] Less Guard Interval and More Gaurd Interval
> This is wrong !
- [ ] Small Guard Interval and Big Gaurd Interval
> This is wrong.
- [ ] Short Global Interval and Long Global Interval
> This is wrong.
## SS stands for
- [x] Spatial Stream
> This is the correct answer.
- [ ] Supply Stream
> This is wrong !
- [ ] Space Service
> This is wrong.
- [ ] Supply Service
> This is wrong.
## BPSK stands for
- [x] Binary phase-shift keying
> This is the correct answer.
- [ ] Better phase-shift keying
> This is wrong !
- [ ] Binary phase-service keying
> This is wrong.
- [ ] Binary phase-session keying
> This is wrong.
## QPSK stands for
- [x] Quadrature Phase Shift Keying
> This is the correct answer.
- [ ] Quadrature Phase Shared Keying
> This is wrong !
- [ ] Quadrature Phase Service Keying
> This is wrong.
- [ ] Quadrature Phase Session Keying
> This is wrong.
## QAM stands for
- [x] quadrature amplitude modulation
> This is the correct answer.
- [ ] quadrature access modulation
> This is wrong !
- [ ] quadrature authentication modulation
> This is wrong.
- [ ] quadrature access messaging
> This is wrong.
## BSS stands for
- [x] Basic Service Set
> This is the correct answer.
- [ ] Basic Service Session
> This is wrong !
- [ ] Basic Service Station
> This is wrong.
- [ ] Basic Service Stand
> This is wrong.
## ESS stands for
- [x] Extended Service Set
> This is the correct answer.
- [ ] Extended Service Session
> This is wrong !
- [ ] Extended Service Station
> This is wrong.
- [ ] Extended Service Stand
> This is wrong.
## TSF stands for
- [x] Timing synchronization function
> This is the correct answer.
- [ ] Timing synchronization factor
> This is wrong !
- [ ] Timing service function
> This is wrong.
- [ ] Timing session function
> This is wrong.
## NAV stands for
- [x] Network Allocation Vector
> This is the correct answer.
- [ ] Network Acess Vector
> This is wrong !
- [ ] Network Authentication Vector
> This is wrong.
- [ ] Network Allocation Vertex
> This is wrong.
## MTU stands for
- [x] Maximum Transmission Unit
> This is the correct answer.
- [ ] Minimum Transmission Unit
> This is wrong !
- [ ] Message Transmission Unit
> This is wrong.
- [ ] Message Traffic Unit
> This is wrong.
## In 802.11, RA stands for
- [x] Receiver Address
> This is the correct answer.
- [ ] Range Address
> This is wrong !
- [ ] Random Address
> This is wrong.
- [ ] Read Address
> This is wrong.
## In 802.11, TA stands for
- [x] Transmitter Address
> This is the correct answer.
- [ ] Traffic Address
> This is wrong !
- [ ] Traverse Address
> This is wrong.
- [ ] TIM Address
> This is wrong.
## In 802.11, DA stands for
- [x] Destination Address
> This is the correct answer.
- [ ] DRAM Address
> This is wrong !
- [ ] Destination Authentication
> This is wrong.
- [ ] DRAM Authentication
> This is wrong.
## In 802.11, SA stands for
- [x] Source Address
> This is the correct answer.
- [ ] Session Address
> This is wrong !
- [ ] Source Authentication
> This is wrong.
- [ ] Session Authentication
> This is wrong.
Networking
## Which of the following communication modes support two-way traffic but in only one direction at a time ?
- [x] Half duplex
> This is the correct answer.
- [ ] Full duplex
> This is wrong !
- [ ] Simplex
> This is wrong.
- [ ] All
> This is wrong.
## In OSI network architecture, the routing is performed by
- [x] Network Layer
> This is the correct answer.
- [ ] Transport Layer
> This is wrong !
- [ ] Data link layer
> This is wrong.
- [ ] Session Layer
> This is wrong.
## Network cable lies in
- [x] Physical Layer
> This is the correct answer.
- [ ] Application Layer
> This is wrong !
- [ ] Network Layer
> This is wrong.
- [ ] Transport Layer
> This is wrong.
## ARPANET stands for
- [x] Advanced Research Projects Agency Network
> This is the correct answer.
- [ ] American research project agency network
> This is wrong !
- [ ] Atlantic research project agency network
> This is wrong.
- [ ] Antartic research project agency network
> This is wrong.
## If a computer’s network cable is broken, whole network goes down, in
- [x] Ring
> This is the correct answer.
- [ ] Star
> This is wrong !
- [ ] Bus
> This is wrong.
- [ ] Token Ring
> This is wrong.
## If a computer on the network shares resources for others to use, it is called
- [x] Server
> This is the correct answer.
- [ ] Client
> This is wrong !
- [ ] Mainframe
> This is wrong.
- [ ] Minicomputer
> This is wrong.
## Frames from one LAN can be transmitted to another LAN via the device
- [x] Bridge
> This is the correct answer.
- [ ] Modem
> This is wrong !
- [ ] Router
> This is wrong.
- [ ] Repeater
> This is wrong.
## How many hosts are attached to each of the local area networks at your site?
- [x] 254
> This is the correct answer.
- [ ] 64
> This is wrong !
- [ ] 128
> This is wrong.
- [ ] 256
> This is wrong.
## A distributed network configuration in which all data/information pass through a central computer is
- [x] Star network
> This is the correct answer.
- [ ] Bus network
> This is wrong !
- [ ] Ring Network
> This is wrong.
- [ ] Point-to-point network
> This is wrong.
## Which of the following device is used to connect two systems, especially if the systems use different protocols ?
- [x] Gateway
> This is the correct answer.
- [ ] Hub
> This is wrong !
- [ ] Bridge
> This is wrong.
- [ ] Repeater
> This is wrong.
## To connect a computer with a device in the same room, you might be likely to use
- [x] A coaxial cable
> This is the correct answer.
- [ ] A dedicated line
> This is wrong !
- [ ] A ground station
> This is wrong.
- [ ] All of the above
> This is wrong.
## In CRC there is no error if the remainder at the receiver is
- [x] Zero
> This is the correct answer.
- [ ] Equal to the remainder at the sender
> This is wrong !
- [ ] Nonzero
> This is wrong.
- [ ] The quotient at the sender
> This is wrong.
## The slowest transmission speeds are those of
- [x] Twisted-pair wire
> This is the correct answer.
- [ ] Fiber-optic cable
> This is wrong !
- [ ] Coaxial cable
> This is wrong.
- [ ] Microwaves
> This is wrong.
## Internet-like networks within an enterprise
- [x] Intranets
> This is the correct answer.
- [ ] Inter organizational networks
> This is wrong !
- [ ] Switching alternating
> This is wrong.
- [ ] Extranets
> This is wrong.
## What device separates a single network into two segments but lets the two segments appear as one to higher protocols ?
- [x] Bridge
> This is the correct answer.
- [ ] Router
> This is wrong !
- [ ] Switch
> This is wrong.
- [ ] Gateway
> This is wrong.
## Which of the following is used for modulation and demodulation ?
- [x] Modem
> This is the correct answer.
- [ ] Gateway
> This is wrong !
- [ ] Protocols
> This is wrong.
- [ ] Multiplexer
> This is wrong.
## The packets switching concept was first proposed
- [x] In the early 1960s for military communication systems, mainly to handle speech
> This is the correct answer.
- [ ] In the late 1980s for the Defense Ministry of US
> This is wrong !
- [ ] In the late 1950s for Defense Ministry of US
> This is wrong.
- [ ] None of the above
> This is wrong.
## Which switching technology reduces the size of a broadcast domain ?
- [x] VLANs
> This is the correct answer.
- [ ] ISL
> This is wrong !
- [ ] STP
> This is wrong.
- [ ] 802.1Q
> This is wrong.
## When data is encapsulated, which is the correct order ?
- [x] Data, segment, packet, frame, bit
> This is the correct answer.
- [ ] Data, frame, packet, segment, bit
> This is wrong !
- [ ] Segment, data, packet, frame, bit
> This is wrong.
- [ ] Data, segment, frame, packet, bit
> This is wrong.
## What is the subnetwork address for a host with the IP address 200.10.5.68/28?
- [x] 200.10.5.64
> This is the correct answer.
- [ ] 200.10.5.56
> This is wrong !
- [ ] 200.10.5.32
> This is wrong.
- [ ] 200.10.5.0
> This is wrong.
## What is the subnetwork number of a host with an IP address of 172.16.66.0/21 ?
- [x] 172.16.64.0
> This is the correct answer.
- [ ] 172.16.36.0
> This is wrong !
- [ ] 172.16.48.0
> This is wrong.
- [ ] 172.16.0.0
> This is wrong.
## To test the IP stack on your local host, which IP address would you ping ?
- [x] 127.0.0.1
> This is the correct answer.
- [ ] 127.0.0.0
> This is wrong !
- [ ] 1.0.0.127
> This is wrong.
- [ ] 127.0.0.255
> This is wrong.
## If an Ethernet port on a router were assigned an IP address of 172.16.112.1/25, what would be the valid subnet address of this host ?
- [x] 172.16.112.0
> This is the correct answer.
- [ ] 172.16.0.0
> This is wrong !
- [ ] 172.16.96.0
> This is wrong.
- [ ] 172.16.255.0
> This is wrong.
## You need to subnet a network that has 5 subnets, each with at least 16 hosts. Which classful subnet mask would you use ?
- [x] 255.255.255.224
> This is the correct answer.
- [ ] 255.255.255.248
> This is wrong !
- [ ] 255.255.255.240
> This is wrong.
- [ ] 255.255.255.192
> This is wrong.
## What type of RJ45 UTP cable is used between switches ?
- [x] Crossover cable
> This is the correct answer.
- [ ] Crossover with a CSU/DSU
> This is wrong !
- [ ] Crossover with a router in between the two switches
> This is wrong.
- [ ] Straight-through
> This is wrong.
## What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that uses the 255.255.255.224 subnet mask ?
- [x] 30
> This is the correct answer.
- [ ] 15
> This is wrong !
- [ ] 16
> This is wrong.
- [ ] 14
> This is wrong.
## What is route poisoning ?
- [x] It describes when a router sets the metric for a downed link to infinity
> This is the correct answer.
- [ ] It sends back the protocol received from a router as a poison pill, which stops the regular updates
> This is wrong !
- [ ] It is information received from a router that can't be sent back to the originating router
> This is wrong.
- [ ] It prevents regular update messages from reinstating a route that has just come up
> This is wrong.
## Segmentation of a data stream happens at which layer of the OSI model ?
- [x] Transport
> This is the correct answer.
- [ ] Physical
> This is wrong !
- [ ] Data Link
> This is wrong.
- [ ] Network
> This is wrong.
## Acknowledgements, sequencing, and flow control are characteristics of which OSI layer ?
- [x] Layer 4
> This is the correct answer.
- [ ] Layer 3
> This is wrong !
- [ ] Layer 7
> This is wrong.
- [ ] Layer 2
> This is wrong.
## Which protocol does Ping use ?
- [x] ICMP
> This is the correct answer.
- [ ] TCP
> This is wrong !
- [ ] ARP
> This is wrong.
- [ ] Bootp
> This is wrong.
## What is the main reason the OSI model was created?
- [x] So different networks could communicate
> This is the correct answer.
- [ ] So application developers can change only one layer's protocols at a time
> This is wrong !
- [ ] To create a layered model larger than the DoD mode
> This is wrong.
- [ ] So Cisco could use the model
> This is wrong.
## What does a VLAN do ?
- [x] Breaks up broadcast domains in a layer 2 switch internetwork
> This is the correct answer.
- [ ] Provides multiple collision domains on one switch port
> This is wrong !
- [ ] Acts as the fastest port to all servers
> This is wrong.
- [ ] Provides multiple broadcast domains within a single collision domain
> This is wrong.
## How many broadcast domains are created when you segment a network with a 12-port switch ?
- [x] 1
> This is the correct answer.
- [ ] 2
> This is wrong !
- [ ] 5
> This is wrong.
- [ ] 12
> This is wrong.
## How often are BPDUs sent from a layer 2 device ?
- [x] Every 2 seconds
> This is the correct answer.
- [ ] Every 30 seconds
> This is wrong !
- [ ] Every 10 minutes
> This is wrong.
- [ ] Never
> This is wrong.
## Which protocol is used to send a destination network unknown message back to originating hosts
- [x] ICMP
> This is the correct answer.
- [ ] TCP
> This is wrong !
- [ ] ARP
> This is wrong.
- [ ] Bootp
> This is wrong.
## What is a stub network?
- [x] A network that has only one entry and exit point
> This is the correct answer.
- [ ] A network with more than one exit point
> This is wrong !
- [ ] A network with more than one exit and entry point
> This is wrong.
- [ ] A network with only one entry and no exit point
> This is wrong.
## Which class of IP address has the most host addresses available by default ?
- [x] A
> This is the correct answer.
- [ ] B
> This is wrong !
- [ ] C
> This is wrong.
- [ ] A and B
> This is wrong.
## How long is an IPv6 address ?
- [x] 128 bits
> This is the correct answer.
- [ ] 32 bits
> This is wrong !
- [ ] 64 bits
> This is wrong.
- [ ] 256 bits
> This is wrong.
## Which of the following is private IP address ?
- [x] 192.168.24.43
> This is the correct answer.
- [ ] 168.172.19.39
> This is wrong !
- [ ] 12.0.0.1
> This is wrong.
- [ ] 172.15.14.36
> This is wrong.
## Which of the following is the decimal and hexadecimal equivalents of the binary number 10011101 ?
- [x] 157, 0x9D
> This is the correct answer.
- [ ] 185, 0xB9
> This is wrong !
- [ ] 155, 0x9B
> This is wrong.
- [ ] 159, 0x9F
> This is wrong.
## Which of the following protocols uses both TCP and UDP ?
- [x] DNS
> This is the correct answer.
- [ ] SMTP
> This is wrong !
- [ ] FTP
> This is wrong.
- [ ] Telnet
> This is wrong.
## Where is a hub specified in the OSI model ?
- [x] Physical Layer
> This is the correct answer.
- [ ] Data Link layer
> This is wrong !
- [ ] Session layer
> This is wrong.
- [ ] Application layer
> This is wrong.
## What protocol is used to find the hardware address of a local device ?
- [x] ARP
> This is the correct answer.
- [ ] TCP
> This is wrong !
- [ ] UDP
> This is wrong.
- [ ] IP
> This is wrong.
## If you use either Telnet or FTP, which is the highest layer you are using to transmit data ?
- [x] Application
> This is the correct answer.
- [ ] Session
> This is wrong !
- [ ] Presentation
> This is wrong.
- [ ] Transport
> This is wrong.
## Which class of IP address provides a maximum of only 254 host addresses per network ID ?
- [x] Class C
> This is the correct answer.
- [ ] Class A
> This is wrong !
- [ ] Class B
> This is wrong.
- [ ] Class D
> This is wrong.
## Which of the following allows a router to respond to an ARP request that is intended for a remote host ?
- [x] Proxy ARP
> This is the correct answer !
- [ ] Gateway DP
> This is wrong !
- [ ] Inverse ARP (IARP)
> This is wrong !
- [ ] Reverse ARP (RARP)
> This is wrong !
## Which layer 4 protocol is used for a Telnet connection ?
- [x] TCP
> This is the correct answer !
- [ ] UDP
> This is wrong !
- [ ] IP
> This is wrong !
- [ ] ARP
> This is wrong !
## What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model ?
- [x] Host-to-Host
> This is the correct answer !
- [ ] Application
> This is wrong !
- [ ] Internet
> This is wrong !
- [ ] Network Access
> This is wrong !
## In OSI layer, which layer is not present ?
- [x] Adherence
> This is the correct answer !
- [ ] Application
> This is wrong !
- [ ] Presentation
> This is wrong !
- [ ] Session
> This is wrong !
## OSI stands for ?
- [x] Open System Interconnection
> This is the correct answer !
- [ ] OpenSource System Interconnection
> This is wrong !
- [ ] Open Session Interconnection
> This is wrong !
- [ ] Open Strong Interconnection
> This is wrong !
## TCP stands for ?
- [x] Transmission Control Protocol
> This is the correct answer.
- [ ] Transmission Common Protocol
> This is wrong !
- [ ] Transaction Control Protocol
> This is wrong !
- [ ] Transaction Common Protocol
> This is wrong !
## UDP stands for ?
- [x] User Datagram Protocol
> This is the correct answer.
- [ ] User Datapath Protocol
> This is wrong !
- [ ] Usage Datagram Protocol
> This is wrong !
- [ ] Usage Datapath Protocol
> This is wrong !
## DHCP stands for ?
- [x] Dynamic Host Configuration Protocol
> This is the correct answer.
- [ ] Dynamic Host Correction Protocol
> This is wrong !
- [ ] Dynamic HDD Configration Protocol
> This is wrong !
- [ ] None of the above
> This is wrong !
## ARP stands for ?
- [x] Address Resolution Protocol
> This is the correct answer.
- [ ] Address Request Protocol
> This is wrong !
- [ ] Address Response Protocol
> This is wrong !
- [ ] Address Receive Protocol
> This is wrong !
## FTP stands for ?
- [x] File Transfer Protocol
> This is the correct answer.
- [ ] File Transition Protocol
> This is wrong !
- [ ] File Traffic Protocol
> This is wrong !
- [ ] File Transfer Program
> This is wrong !
## TFTP stands for ?
- [x] Trivial File Transfer Protocol
> This is the correct answer.
- [ ] Trivial File Transition Protocol
> This is wrong !
- [ ] Trivial File Traffic Protocol
> This is wrong !
- [ ] Trivial File Transfer Program
> This is wrong !
## RARP stands for ?
- [x] Reverse Address Resolution Protocol
> This is the correct answer.
- [ ] Reverse Access Resolution Protocol
> This is wrong !
- [ ] Random Address Resolution Protocol
> This is wrong !
- [ ] Reverse Address Resolution Program
> This is wrong !
## IP stands for ?
- [x] Internet Protocol
> This is the correct answer.
- [ ] Internet Program
> This is wrong !
- [ ] Internal Protocol
> This is wrong !
- [ ] Inverse Protocol
> This is wrong !
## TCP belongs to ?
- [x] Transport Layer in OSI model
> This is the correct answer.
- [ ] Application Layer in OSI model
> This is wrong !
- [ ] Session Layer in OSI model
> This is wrong !
- [ ] Data Link Layer in OSI model
> This is wrong !
## UDP belongs to ?
- [x] Transport Layer in OSI model
> This is the correct answer.
- [ ] Application Layer in OSI model
> This is wrong !
- [ ] Session Layer in OSI model
> This is wrong !
- [ ] Data Link Layer in OSI model
> This is wrong !
## IP belongs to ?
- [x] Network Layer in OSI model
> This is the correct answer.
- [ ] Application Layer in OSI model
> This is wrong !
- [ ] Session Layer in OSI model
> This is wrong !
- [ ] Data Link Layer in OSI model
> This is wrong !
## TCP is ?
- [x] Connection oriented Protocol
> This is the correct answer.
- [ ] Connection less Protocol
> This is wrong !
- [ ] Data Link Layer Protocol
> This is wrong !
- [ ] Physical Layer Protocol
> This is wrong !
## UDP is ?
- [x] Connection less Protocol
> This is the correct answer.
- [ ] Connection oriented Protocol
> This is wrong !
- [ ] Data Link Layer Protocol
> This is wrong !
- [ ] Physical Layer Protocol
> This is wrong !