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Huawei H12-321-ENU Exam Syllabus Topics:

Huawei HCIP-WLAN CEWA(Huawei Certified ICT Professional-Wireless Local Area Network-Constructing Enterprise WLAN Architecture) Sample Questions:

1. Which of the following statements about AP-based dynamic load balancing are TRUE? (Multiple Choice)

A) The number of members in a dynamic load balancing group is the same as that in a static load balancing group.
B) Members can be automatically added to a dynamic load balancing group and can work on different frequency bands.
C) Members can be automatically added to a dynamic load balancing group and must work on the same frequency band.
D) Dynamic load balancing overcomes the limitation on the number of group members in static load balancing mode.

2. CAC is implemented in three modes.
Which of the following statements about CAC implementation based on channel usage is FALSE?

A) When receiving a new access request, an AP calculates the current channel usage and checks whether the channel usage reaches the threshold. If not, the AP allows the user to go online.
B) An AP periodically detects the channel usage of a radio. Once the channel usage falls below the threshold, the AP sends a clear alarm, allowing new users to go online.
C) If the channel usage reaches the threshold after a new user goes online, an AP will reject access requests of new users, send alarms, but cannot hide its SSID.
D) When a roaming user attempts to access an AP, the AP checks whether the channel usage reaches the CAC roaming threshold. If so, the AP will reject the access request of the roaming user and send alarms.

3. Multiple AD directory servers are used as external source on a large-scale network. Some user information fails to be synchronized to the Agile Controller.
What is the possible cause of the failure? (Multiple Choice)

A) The parameter configuration between the Agile Controller and an AD directory server is incorrect.
B) There are duplicate OU names on the AD directory servers, and OU-based synchronization is used.
C) Some user information is manually created on the Agile Controller.
D) There are no duplicate OU names or user group names on the AD directory servers, but different synchronization types are used to synchronize user information from different AD directory servers.

4. Which of following statements about load balancing between the 2.4 GHz and 5 GHz radios are TRUE? (Multiple Choice)

A) If the load difference threshold between the two radios is set to 10, the two radios are not load balanced only when there are ten more STAs associated with the 5 GHz radio than with the 2.4 GHz radio.
B) When the load on the 5 GHz and exceeds the load balancing threshold, the AP instructs STAs to preferentially associate with the 2.4 GHz radio.
C) When the load difference on the 5 GHz and 2.4 GHz radios is smaller than the load balancing threshold, the AP instructs STAs to preferentially associate with the 5 GHz radio.
D) When the load on the 5 GHz exceeds the load balancing threshold, if a STA requests to associate with the 5 GHz radio, the AP will reject the association request until the STA associates with the 2.4 GHz radio.

5. Which of the following methods can implement fast roaming? (Multiple Choice)

A) PMK caching
B) Active STA steering
C) Home agent deployed on the AC
D) Key negotiation between STA and AP

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