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  1. Home
  2. Huawei Certification
  3. H12-351_V1.0 Exam
  4. Huawei.H12-351_V1.0.v2026-10-28.q84 Dumps
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Question 16

Arrange the following steps in the correct order for upgrading the leader AP and Fit AP.

Correct Answer:

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Question 17

IPv6 addresses can be classified into multiple types. Which of the following is an IPv6 multicast address?

Correct Answer: D
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Question 18

Which of the following statements is false about WIDS/WIPS?

Correct Answer: D
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Question 19

In a VRRP HSB scenario, if the VRRP preemption delay is set to a small value, which of the following problems may occur after a master/backup switchover? (Select All that apply)

Correct Answer: B,C
According to the Huawei documents and resources, the VRRP preemption delay is the time that an AC waits before preempting another AC with a lower priority. If the VRRP preemption delay is set to a small value, the following problems may occur after a master/backup switchover:
* B. A master/backup switchback is triggered too quickly. If the master AC recovers soon after a switchover, it may preempt the backup AC again and become the master AC. This may cause frequent switchovers and affect network stability 1 .
* C. Backup information is incomplete. If the backup AC takes over services from the master AC too quickly, it may not have received all the data sy nchronized from the master AC through HSB. This may cause service interruption or data loss 2 .
Therefore, B and C are the correct answers. References: 1 : https://support.huawei.com/enterprise/en /doc
/EDOC1100064368/80fc2ebd/example-for-configuring-vrrp-hsb 2 : https://support.huawei.com/enterprise/en
/doc/EDOC1100096325/1a753937/vrr p-hsb-configuration
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Question 20

Master NCE-Campuslnsight analyzes network issues during correlation analysis of poor-QoE clients, including coverage, interference throughput, and hardware issues.

Correct Answer: A
Explanation
iMaster NCE-CampusInsight analyzes network issues during correlation analysis of poor-QoE clients, including coverage, interference, throughput, and hardware issues. It also provides suggestions for network optimization based on the analysis results.
References:
https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/correlation-analysis-of-poor-qoe-clie
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