HCIP-WLAN-CEWA V1.0: H12-321

In the channel switching service uninterrupted feature, the time that the AP and the terminal agree to switch the channel synchronously is based on the beacon frame. The two parties agree to switch the channel synchronously after the time node of the certain beacon frame.

A. Correct

B. False

A large enterprise uses direct forwarding for some SSIDs when deploying the WLAN. Which of the following are the characteristics of direct forwarding? (Multiple Choice)

A. Service data do not need to be forwarded to the AC. There is no forwarding bottleneck.

B. Wireless traffic can be centrally controlled. This forwarding mode has obvious advantages in user policy control and wireless roaming.

C. Data packets are forwarded in a more secure way.

D. It is easy for AC capacity expansion. You only need to increase the number of independent ACs.

Regarding the establishment process of the backup CAPWAP link, the following statement is correct?

A. The AP and the AC establish the primary tunnel and the backup tunnel at the same time.

B. The AP sends a broadcast Discovery Request message to the standby AC.

C. The Join message sent by the AP carries a custom message type, and the AC configuration has been sent.

D. When the AC receives the Join message, the AC will skip the configuration and deliver the configuration.