802.11 standards

Question 1

802.11a

Answer 1

Freq = 5ghz Speed = 54mbps Range outdoor = 120m (390 ft) indoor= 35m (115 ft)

Question 2

802.11b

Answer 2

Freq = 2.4ghz Speed = 11mbps Range outdoor = 140m (460 ft) indoor= 35m (115 ft)

Question 3

802.11g

Answer 3

Freq = 2.4ghz Speed = 54mbps Range outdoor = 140m (460 ft) indoor= 38m (125 ft)

Question 4

802.11n

Answer 4

Freq = 2.4/5ghz Speed = 600mbps Range outdoor = 250m (820 ft) indoor= 70m (230 ft)

Question 5

802.11ac

Answer 5

Freq = 5ghz Speed = 7gbps Range outdoor = 140m (460 ft) indoor= 35m (115 ft)

Question 6

802.11ax

Answer 6

Freq = 2.4/5ghz Speed = 10gbps Range outdoor = 250m (820 ft) indoor= 70m (230 ft)

Question 7

802.1Q

Answer 7

Virtual lans on IEEE 802.3 Ethernet

Question 8

802.11h

Answer 8

Add Spectrum and power management features for 5ghz wifi

DFS (Dynamic Frequency Selection)
Allows Wi-Fi access points to detect radar signals (like weather or military radars) and automatically switch channels to avoid interference.