CCIE CCIE Enterprise Wireless

Question 1

Which 802.11 amendment introduced OFDMA and multi-user MIMO for the 6 GHz band?

Accepted Answer

802.11ax (Wi-Fi 6/6E)

Answer

802.11ac

Answer

802.11n

Answer

802.11ad

Question 2

In Cisco wireless, what is the function of the CAPWAP protocol?

Accepted Answer

Providing tunnel between lightweight APs and WLC

Answer

Encrypting client data between AP and controller

Answer

Distributing IP addresses to wireless clients

Answer

Authenticating users via 802.1X

Question 3

What is the maximum number of spatial streams supported by 802.11ax (Wi-Fi 6)?

Accepted Answer

8

Answer

4

Answer

6

Answer

16

Question 4

Which Cisco WLC feature automatically adjusts AP transmit power and channel assignment to optimize RF coverage?

Accepted Answer

RRM (Radio Resource Management)

Answer

CleanAir

Answer

FastLocate

Answer

Hyperlocation

Question 5

In 802.11 security, what protocol replaced TKIP for stronger encryption in WPA2?

Accepted Answer

AES-CCMP

Answer

WEP

Answer

RC4

Answer

3DES

Question 6

What is BSS Coloring in 802.11ax used for?

Accepted Answer

Reducing co-channel interference via spatial reuse

Answer

Assigning colors to SSIDs for visual management

Answer

Color-coding QoS priority levels

Answer

Identifying rogue APs