Huawei H12-321-ENU : HCIP-WLAN CEWA(Huawei Certified ICT Professional-Wireless Local Area Network-Constructing Enterprise WLAN Architecture)

Exam Code: H12-321-ENU

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

Updated: Sep 05, 2026

Q & A: 265 Questions and Answers

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Huawei H12-321-ENU Exam Syllabus Topics:

SectionObjectives
Topic 1: WLAN Fundamentals- WLAN topology and architecture basics
- 802.11 standards and evolution
- Wireless RF principles and propagation
Topic 2: Enterprise WLAN Architecture Design- Network planning and capacity design
- Enterprise WLAN deployment models (Fit/Fat/Cloud AP)
- WLAN controller (AC) architecture and functions
Topic 3: WLAN Optimization and Troubleshooting- Interference analysis and RF optimization
- Roaming optimization
- Performance troubleshooting methods
Topic 4: WLAN Deployment and Configuration- AP deployment and registration
- SSID and VLAN configuration
- Radio resource management (RRM)
Topic 5: WLAN Security- Authentication methods (WPA/WPA2/WPA3)
- 802.1X and RADIUS integration
- Wireless security policies and encryption

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

Question 1

During deployment of a long-distance point-to-point RF communication link, what is the distance between the receive and transmit antennas when impact of the Earth curvature should be considered?

A. 3.3 km
B. 5.3 km
C. 11.3 km
D. 7.3 km


Question 2

A WLAN can only use channels 1, 5, 9, and 13. After channel adjustment, which of the following figures is CORRECT? (Multiple Choice)

A. (b)
B. (c)
C. (a)
D. (d)


Question 3

Which statements about roaming are TRUE? (Multiple Choice)

A. During roaming, the STA sends an association request containing information about the original AP to the new AP.
B. During roaming, the STA sends a re-association request containing information about the original AP to the new AP.
C. The APs an STA connects to before and after roaming can work in different channels.
D. The APs an STA connects to before and after roaming must work in the same channel.


Question 4

Which of the following statements about the three backup modes are TRUE? (Multiple Choice)

A. VRRP HSB: backs up AP, STA, and CAPWAP link information.
B. No matter in hot standby or cold standby mode, a standby AC can provide backup services for only one active AC.
C. Dual-link HSB: backs up AP, STA, and CAPWAP link information.
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.


Question 5

To remain the existing wired network architecture, an enterprise deploys the AC in bypass mode. Considering the large data traffic on the WLAN and needs for AC capacity expansion in the future, it is recommended that the tunnel forwarding mode be used to transmit WLAN services.

A. TRUE
B. FALSE


Solutions:

Question 1
Answer: C
Question 2
Answer: B,D
Question 3
Answer: B,C
Question 4
Answer: A,D
Question 5
Answer: B

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