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Security + > Wireless Networks 2.3 > Flashcards

Wireless Networks 2.3 Flashcards

1
Q

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

A

Direct Sequence Spread Spectrum (DSSS)

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2
Q

Allows devices to hop between predetermined frequencies

A

Frequency Hopping Spread Spectrum (FHSS)

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3
Q

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

A

Orthogonal Frequency Division Multiplexing (OFDM)

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4
Q

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

A

Channel

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5
Q

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

A

1,6, & 11

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6
Q

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

A

Channel Bonding

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7
Q

802.11_ - band 5GHz and Bandwidth 54Mbps

A

802.11a

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8
Q

802.11_ - band 2.4GHz and Bandwidth 11Mbps

A

802.11b

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9
Q

802.11_ - band 2.4GHz and Bandwidth 54Mbps

A

802.11g

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10
Q

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

A

802.11n (Wi-Fi 4)

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11
Q

802.11_ - band 5 GHz and Bandwidth 3 Gbps

A

802.11ac (Wi-Fi 5)

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12
Q

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

A

802.11ax (Wi-Fi 6)

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13
Q

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

A

Multiple-Input and Multiple-Output (MIMO)

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14
Q

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

A

Multiple User Multiple Input Multiple Output (MU-MIMO)

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15
Q

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

A

Radio Frequency Interference (RFI)

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16
Q

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

A

Pre-shared Key

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17
Q

Original 802.11 wireless security standard which is an insecure security protocol

IV

A

Wired Equivalent Privacy (WEP)

18
Q

Replaced WEP and follows the Temporal Key Integrity Protocol

TKIP and RC4

A

Wi-Fi Protected Access (WPA)

19
Q

For Encryption

A

Rivest Cipher (RC4)

20
Q

To confirm data was not modified in transit

A

Message Integrity Check (MIC)

21
Q

To authenticate users before exchanging keys

A

Enterprise Mode

22
Q

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

A

Advanced Encryption Standard (AES)

23
Q

Requires stronger encryption and integrity checking through

CCMP & AES

A

Wi-Fi Protected Access 2 (WPA2)

24
Q

Pre-shared key

A

Personal mode

25
Q

Authentication

A

Enterprise Mode

26
Q

Configures an access point with a listing of permitting MAC addresses

A

MAC address Filtering

27
Q

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

A

Disabling SSID Broadcast

28
Q

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

A

Wifi (802.11)

29
Q

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

A

Cellular

30
Q

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

A

Satellite

31
Q

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

A

Microwave

32
Q

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

A

Low Earth Orbit

33
Q

One satellite can cover a large portion of the Earth

higher latency and lower quality

A

Geosynchronous Orbit

34
Q

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

A

Near Field Communication (NFC)

35
Q

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

A

Radio Frequency dentification (RFID)

36
Q

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

A

Infrared Data (IrDA)

37
Q

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

A

Bluetooth

38
Q

Sending unsolicited messages to a Bluetooth device

A

Bluejacking

39
Q

Making unauthorized access to a device via Bluetooth connection

A

Bluesnarfing

40
Q

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

A

BlueBorne

41
Q

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

A

Tethering

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