802.11 Standards

Question 1

802.11 a

Answer 1

5ghz, 54mbps,35m (max reach), not compatible with 2.4ghz widths

Question 2

802.11b

Answer 2

2.4ghz, 11mbps, 38m

Question 3

802.11g

Answer 3

2.4ghz,54mbps,38m,back comparable with 802.11b

Question 4

802.11n

Answer 4

2.4 or 5 ghz, 600mbps, 70m, uses MIMO,back comparable with a,b,g

Question 5

802.11ac or WiFi 5

Answer 5

5 ghz, 3.5 gbps, 35m, up to 160 mhz channel width, beamforming(focuses signal on a single device), uses MU-MIMO

Question 6

802.11ax

Answer 6

2.4 and 5 and 6 GHz, 9.6gbps, 70m, uses OFDMA allows streams from antennas to be split if a device does not need the whole stream or allows a device to receive multiple streams this is improved MU-MIMO