Wireless Networks 2.3

Question 1

Modulates data over an entire range of frequencies using a series of signals known as chips

Answer 1

Direct Sequence Spread Spectrum (DSSS)

Question 2

Allows devices to hop between predetermined frequencies

Answer 2

Frequency Hopping Spread Spectrum (FHSS)

Question 3

Uses a slow modulation rate with simultaneous transmissions over 52 different data streams

Answer 3

Orthogonal Frequency Division Multiplexing (OFDM)

Question 4

A virtual medium through which wireless networks can send and receive data

Answer 4

Channel

Question 5

what are the channels to avoid overlapping frequencies in the 2.4 GHz band

Answer 5

1,6, & 11

Question 6

Allows for the creation of a wider channel by merging neighboring channels into one

Answer 6

Channel Bonding

Question 7

802.11_ - band 5GHz and Bandwidth 54Mbps

Answer 7

802.11a

Question 8

802.11_ - band 2.4GHz and Bandwidth 11Mbps

Answer 8

802.11b

Question 9

802.11_ - band 2.4GHz and Bandwidth 54Mbps

Answer 9

802.11g

Question 10

802.11_ - band 2.4GHz and 5GHz and Bandwidth 150 Mbps/600Mbps (MIMO)

Answer 10

802.11n (Wi-Fi 4)

Question 11

802.11_ - band 5 GHz and Bandwidth 3 Gbps

Answer 11

802.11ac (Wi-Fi 5)

Question 12

802.11_ - band 2.4, 5, and 6 GHz and Bandwidth 9.6 Gbps

Answer 12

802.11ax (Wi-Fi 6)

Question 13

Uses multiple antennas to send and receive data than it could with a single antenna

Answer 13

Multiple-Input and Multiple-Output (MIMO)

Question 14

Allows multiple users to access the wireless network and access point at the same time

Answer 14

Multiple User Multiple Input Multiple Output (MU-MIMO)

Question 15

Occurs when there are similar frequencies to wireless networks in the area

Answer 15

Radio Frequency Interference (RFI)

Question 16

Both the access point and the client use the same encryption key

Answer 16

Pre-shared Key

Question 17

Original 802.11 wireless security standard which is an insecure security protocol

IV

Answer 17

Wired Equivalent Privacy (WEP)

Question 18

Replaced WEP and follows the Temporal Key Integrity Protocol

TKIP and RC4

Answer 18

Wi-Fi Protected Access (WPA)

Question 19

For Encryption

Answer 19

Rivest Cipher (RC4)

Question 20

To confirm data was not modified in transit

Answer 20

Message Integrity Check (MIC)

Question 21

To authenticate users before exchanging keys

Answer 21

Enterprise Mode

Question 22

To provide additional security by using a 128-bit key or higher

Answer 22

Advanced Encryption Standard (AES)

Question 23

Requires stronger encryption and integrity checking through

CCMP & AES

Answer 23

Wi-Fi Protected Access 2 (WPA2)

Question 24

Pre-shared key

Answer 24

Personal mode

Question 25

Authentication

Answer 25

Enterprise Mode

Question 26

Configures an access point with a listing of permitting MAC addresses

Answer 26

MAC address Filtering

Question 27

Configures an access point not to broadcast the name of the wireless LAN

Answer 27

Disabling SSID Broadcast

Question 28

Creates point to point connections from one building to another over short distance

Answer 28

Wifi (802.11)

Question 29

Uses a larger antenna and a larger hots pot powered by a power outlet within an office or home

Answer 29

Cellular

Question 30

a long range and fixed wireless solution that can go for miles

Answer 30

Satellite

Question 31

Creates point to point connection between 2 or more buildings that cover 40 miles

Answer 31

Microwave

Question 32

Requires more satellites to cover the entire planet but gives lower latency speeds

Answer 32

Low Earth Orbit

Question 33

One satellite can cover a large portion of the Earth higher latency and lower quality

Answer 33

Geosynchronous Orbit

Question 34

Uses radio frequency to send electromagnetic charge containing the transaction data a short distance

Answer 34

Near Field Communication (NFC)

Question 35

A from of radio frequency transmission modified for use in authentication systems

Answer 35

Radio Frequency dentification (RFID)

Question 36

Allows 2 devices to communicate using line of sight communication in the infrared spectrum

Answer 36

Infrared Data (IrDA)

Question 37

Creates a personal area network over 2.4 GHz to allow for wireless connectivity

Answer 37

Bluetooth

Question 38

Sending unsolicited messages to a Bluetooth device

Answer 38

Bluejacking

Question 39

Making unauthorized access to a device via Bluetooth connection

Answer 39

Bluesnarfing

Question 40

Allows the attacker to gain complete control over a device without even being connected to the target device

Answer 40

BlueBorne

Question 41

Sharing cellular data internet connection from a smartphone to multiple other devices

Answer 41

Tethering