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Huawei Certified Network Professional – Wireless Local Area Network- Constructing Enterprise WLAN Architecture (H12-321) - Huawei Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
536 Total Questions
1
Question
Which of the following statements about the three backup modes are TRUE? (Multiple Choice)
Options
A VRRP HSB: backs up AP, STA, and CAPWAP link information.
B Dual-link HSB: backs up AP, STA, and CAPWAP link information.
C No matter in hot standby or cold standby mode, a standby AC can provide backup services for only one active AC.
D Dual-link backup is a cold backup mode, which does not back up STA information. An AP sets up a link with both the active and standby ACs. During an active/standby switchover or a revertive switchover, STAs need to go online again and services are temporarily interrupted.
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2
Question
What is the sequence of VLAN VLAN allocation for a terminal? 1. The terminal accesses from the divided VLANs. 2. Determines the VLAN Pool and VLAN algorithm bound to the VAP. 3. The terminal accesses the VAP 4. Assigns a VLAN to the terminal according to the VLAN algorithm.
Options
A 4->2->3->1
B 3->2->4->1
C 4->3->2->1
D 3->4->2->1
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3
Question
As shown in the following figure, the data traffic before roaming is forwarded to the STA-HAP-HAC- upper layer network. The forwarding mode is direct forwarding. The home agent is configured on the AC. After the three-layer roaming, the data forwarding traffic is forwarded.
Options
A STA-FAP-FAC-HAC-FAC-upper layer network
B STA-FAP-FAC-upper layer network
C STA-FAP-FAC-HAC-upper layer network
D STA-FAP-FAC-HAC-HAP-HAC-upper layer network
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4
Question
When the AP receives a Probe request from 2.4G, if it can only receive a 2.4G Probe request for a continuous period of time, it considers that the terminal only supports the 2.4G band; otherwise, the terminal is considered to be a dual-band terminal. This logic also applies to 5G radios.
Options
A False
B Correct
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5
Question
On a WLAN, which of the following attack detection functions require support of the dynamic blacklist function? (Multiple Choice)
Options
A Spoofing attack detection
B Flooding attack detection
C Weak IV attack detection
D Brute force attack detection
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