networking wireless standards

Question 1

devices that uses 802.11x to communicate are

Answer 1

wireless device

Question 2

The original 802.11 standard operated at ___ and at a frequency of ___

Answer 2

2 Mbps

2.4 GHz

Question 3

802.11a operates at ____ and at a frequency of ___

Answer 3

54 Mbps

5 GHz

Question 4

802.11b operates at ___ and at a frequency of ___

Answer 4

11 Mbps

2.4 GHz

Question 5

802.11g operates at ___ and at a frequency of ___

Answer 5

54 Mbps

2.4 GHz

Question 6

802.11n operates at ___ and at a frequency of ____

Answer 6

600

2.4 or 5 GHz

Question 7

802.11ac operates at ___ and at a frequency of ___

Answer 7

1.3 Gbps

5 GHz

Question 8

combining two, non-overlapping 20 MHz channels into a single 40 MHz channel is called

Answer 8

channel bounding

Question 9

channel bonding is not practical at what frequency

Answer 9

2.4 GHz

Question 10

this wireless authentication method requires a user to provide a secret or a passphrase

Answer 10

shared key

Question 11

this wireless authentication method requires a device to have a MAC address

Answer 11

open

Question 12

the use of invisible light waves for communication is called

Answer 12

infrared

Question 13

the technology used to enable communication between two devices that are in very close proximity with each other is called

Answer 13

NFC

Question 14

infrared can communicate at speeds of ___ with a range of __

Answer 14

4 Mbps
1 - 30 Meters.

works best at 1 Meters

Question 15

Bluetooth operates at which frequency

Answer 15

2.4 GHz

Question 16

Bluetooth devices create personal area networks called

Answer 16

piconet

Question 17

Bluetooth version 1.2 operated at ____ at a distance of

Answer 17

1 Mbps

100 m

Question 18

Bluetooth version 2.0 operated at ____ at a distance of

Answer 18

3 Mbps

10 m

Question 19

Bluetooth version 3.0 and 4.0 operated at ____ at a distance of

Answer 19

24 Mbps

1 m

Question 20

NFC operates at a frequency of ___ and has a max transmission speed of

Answer 20

14 MHz

400 Kbps