Wi-Fi Standards

Question 1

802.11a

Answer 1

Frequency: 5GHz
Max Speed: 54 Mbps
Range: shorter than 2.4GHz networks

Question 2

802.11b

Answer 2

Frequency: 2.4 GHz
Max Speed: 11 Mbps
Range: Greater than 802.11a due to the lower frequency

Question 3

802.11g

Answer 3

Frequency: 2.4 GHz
Max Speed: 54 Mbps
Range: Similar to 802.11b but with higher data rates

Question 4

802.11n (Wi-Fi 4)

Answer 4

Frequency: 2.4 GHz & 5GHz (dual band)
Max Speed: 600 Mbps
Range: Improved range due to MIMO technology

Question 5

802.11ax (Wi-Fi 6)

Answer 5

Frequency: 2.4 GHz & 5GHz
Max Speed: Up to 9.6 Gbps, 1.2 Gbps per stream. 8 bidirectional DL MU-MIMO streams

Question 5

802.11ac (Wi-Fi 5)

Answer 5

Frequency: 5GHz
Max Speed: Up to 3.5 Gbps
Range: Good but shorter than 2.4GHz due to the higher frequency