CWDP WLAN Standards and Protocols

Question 1

Which IEEE 802.11 amendment introduced OFDMA and target wake time (TWT)?

Accepted Answer

802.11ax (Wi-Fi 6)

Answer

802.11ac (Wi-Fi 5)

Answer

802.11n (Wi-Fi 4)

Answer

802.11be (Wi-Fi 7)

Question 2

What is the primary advantage of MU-MIMO over SU-MIMO in wireless network design?

Accepted Answer

It allows the AP to communicate with multiple clients simultaneously

Answer

It provides longer range for individual clients

Answer

It uses less power than SU-MIMO

Answer

It eliminates the need for multiple antennas

Question 3

What frequency bands does Wi-Fi 6E operate in?

Accepted Answer

2.4 GHz, 5 GHz, and 6 GHz

Answer

2.4 GHz and 5 GHz only

Answer

5 GHz and 6 GHz only

Answer

6 GHz only

Question 4

What is the purpose of BSS Coloring in 802.11ax?

Accepted Answer

To reduce co-channel interference by allowing devices to differentiate between their BSS and overlapping BSSs

Answer

To change the color of the LED indicators on access points

Answer

To encrypt wireless frames with color-coded keys

Answer

To assign different frequencies to different access points

Question 5

What is the maximum channel width supported by 802.11ac Wave 2?

Accepted Answer

160 MHz

Answer

80 MHz

Answer

320 MHz

Answer

40 MHz

Question 6

What role does the 802.11k amendment play in wireless network design?

Accepted Answer

It provides neighbor report information to help clients make better roaming decisions

Answer

It establishes security protocols for WPA3

Answer

It defines QoS prioritization for voice traffic

Answer

It sets power output limits for access points