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Updated: Sep 15, 2026
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Huawei H12-321-ENU Exam Overview:
| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIP-WLAN CEWA (Huawei Certified ICT Professional-Wireless Local Area Network-Constructing Enterprise WLAN Architecture) |
| Exam Number: | H12-321-ENU |
| Exam Price: | USD 160 |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 265 |
| Certificate Validity Period: | 3 years |
| Exam Format: | Multiple Choice, True/False, Single Choice |
| Available Languages: | English |
| Related Certifications: | HCIP-WLAN Planning and Optimizing Enterprise WLAN (e.g., H12-322) HCIP-WLAN Advanced WLAN Architecture |
| Sample Questions: | Huawei H12-321-ENU Sample Questions |
| Exam Way: | Onsite (Pearson VUE Test Center) / Computer-Based |
| Pre Condition: | Recommended: HCIA-WLAN or equivalent experience; working knowledge of WLAN technologies |
| Official Syllabus URL: | https://e.huawei.com/en/talent/certification |
Huawei H12-321-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Enterprise WLAN Architecture and Design | - Large-Scale WLAN Deployment - Reliable WLAN Construction |
| Topic 2: WLAN Service and Performance Management | - Load Balancing and Band Steering - Channel and Power Management |
| Topic 3: Security and Access Control | - Secure Connectivity Services - WIDS and Rogue Device Prevention |
| Topic 4: Roaming and Mobility | - Inter-AC Roaming Technologies |
| Topic 5: Mesh Network and Advanced Features | - Mesh Node Configuration |
Huawei HCIP-WLAN CEWA(Huawei Certified ICT Professional-Wireless Local Area Network-Constructing Enterprise WLAN Architecture) Sample Questions:
As shown in the figure, a 12.2 m high tree is an obstacle on a 10 km point-to-point communication link. The distance between the tree and one of the antennas is 4 km.
If the signal transmission frequency is 5.8 GHz, what is the minimum installation height of the receive and transmit antennas based on the following formula and the Fresnel zone radius at the 4 km point?
- A. 26 m
- B. 16 m
- C. 19 m
- D. 22 m
Correct Answer: C 🗳️
Which statements about the MPC's default routing entries in the figure are TRUE? (Multiple Choice)
- A. The next hop is B, and the number of hops is 3.
- B. The next hop is B, and the number of hops is 2.
- C. The next hop is D, and the number of hops is 3.
- D. The next hop is D, and the number of hops is 2.
Correct Answer: B,C 🗳️
Configure the Option 43 field on the Windows 2003 DHCP server. For example, configure the character string 030C3139322E3136382E32322E31 to indicate the IP address 192.168.22.1. In the character string, 03 is a fixed value; 0C is 12 in decimal format, indicating the string length of the IP address. The IP address 192.168.22.1 has a total of 12 characters. The hexadecimal value 31 is the ASCII value of 1, 39 is the ASCII value of 9, and so on. 2E is the ASCII value of dots.
Based on the preceding example, what is the character string corresponding to the IP address 32.15.2.14?
- A. 030A32332E35312E322E3431
- B. 030733322E31352E322E3134
- C. 030A33322E31352E322E3134
- D. 030A3033322E3031352E3030322E303134
Correct Answer: C 🗳️
Which of the following statements about signal-strength-based power adjustment are TRUE? (Multiple Choice)
- A. Signal-strength-based power adjustment applies to WLANs with good signal coverage.
- B. Signal-strength-based power adjustment can be configured to reduce AP power consumption and reduce the interference from APs to surrounding devices.
- C. By default, signal-strength-based power adjustment is enabled for an AP.
- D. The AP7030DE and AP9330DN do not support signal-strength-based power adjustment.
Correct Answer: A,B,D 🗳️
Which of the following statements is TRUE about communication between the active/standby ACs with the RADIUS/Portal server in load balancing mode?
- A. If the original active AC is not DOWN or the uplink of the original active AC is not disconnected, a loopback interface that uses the same IP address as the active AC needs to be configured on the standby AC. Routes to the loopback interface are not advertised but imported to IGP.
- B. If the original active AC is DOWN or the uplink of the original active AC is disconnected, the active AC needs to process received COA/DM packets and synchronize these packets to the standby AC, and delivers authorization information to APs.
- C. The source IP address carried in RADIUS packets sent by the active and standby ACs must be the same, but the IP addresses of the two ACs configured on the RADIUS server carried in COA/DM packets can be different.
- D. The active AC fills the NAS IP address and accounting session ID into accounting and authentication packets.
Correct Answer: D 🗳️
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