802.11

Question 1

802.11 a

Answer 1

Speed 54Mbps,
35m ,
Frequency 5ghz

Uses a single 20 MHz Channel

Question 2

802.11 b

Answer 2

Speed 11Mbps,
35m,
Frequency2.4ghz

802.11b uses the 2.4 GHz range, but operates using a single 22 MHz

Question 3

802.11 g

Answer 3

Speed 53MBps,
38M,
Frequency 2.4 ghz
backwards compatible with 802.11 b

802.11g also operates in the 2.4 GHz range, but uses a single 20 MHz Channel

Question 4

802.11 n

Answer 4

Speed 600Mbps,
70m,
Frequency 2.4Ghz and 5 Ghz
Backwards compatible with 802.11 a/b/g

The 802.11n standard can operate with 20 MHz channel bandwidths or two contiguous 20 MHz channels to provide a 40 MHz channel bandwidth. If the 802.11n network is using the 2.4 GHz range, much of the available bandwidth will be consumed with this single 40 MHztransmission range.

Question 5

802.11 ac

Answer 5

Speed 1.3Gbps (1300mbps), Throughput 6.8Ghz~
35m,
Frequency5ghz
Backwards compatible with 802.11 a/n

The 802.11ac standard uses 80 MHz channels, with an option for 160 MHz contiguous or non-contiguous channels.

Question 6

802.1Q

Answer 6

Managed switch
A managed switch includes features not found in an unmanaged switch, such as traffic prioritization, redundancy support, remote management,
and VLAN (Virtual Local Area Network) support for connectivity to other switches via 802.1Q