CCIE CCIE Enterprise Wireless 3

Question 1

Which protocol is used for centralized AAA authentication in Cisco wireless deployments?

Accepted Answer

RADIUS

Answer

LDAP

Answer

TACACS+

Answer

Kerberos

Question 2

In 802.11 OFDMA (used in Wi-Fi 6), what are the sub-channel allocations called?

Accepted Answer

Resource Units (RUs)

Answer

Sub-bands

Answer

Channel Slots

Answer

Frequency Bins

Question 3

What is the primary benefit of Target Wake Time (TWT) in 802.11ax for IoT devices?

Accepted Answer

Scheduled wake/sleep cycles for improved battery life

Answer

Faster data rates

Answer

Better interference immunity

Answer

Wider channel support

Question 4

Which Cisco wireless architecture mode requires the WLC to handle all client data traffic through the controller?

Accepted Answer

Local mode (centralized)

Answer

FlexConnect local switching

Answer

Mesh mode

Answer

Monitor mode

Question 5

What does the Cisco Hyperlocation feature use to achieve sub-meter location accuracy?

Accepted Answer

Angle of Arrival (AoA) with dedicated antenna arrays

Answer

GPS receivers in APs

Answer

RSSI triangulation only

Answer

Bluetooth beacons

Question 6

In WPA2/802.11i, what is the 4-way handshake used to derive?

Accepted Answer

Both PTK and GTK

Answer

PMK (Pairwise Master Key)

Answer

PTK (Pairwise Transient Key)

Answer

GTK (Group Temporal Key)