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Updated: Sep 12, 2026
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Huawei H12-321-ENU Exam Overview:
| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIP-WLAN CEWA (Constructing Enterprise WLAN Architecture) Exam |
| Exam Number: | H12-321-ENU |
| Exam Price: | Approximately USD 200 (varies by region) |
| Exam Format: | Scenario-based questions, True/False, Multiple choice questions, Single choice questions |
| Exam Duration: | 90 minutes |
| Available Languages: | English, Chinese |
| Passing Score: | 600/1000 |
| Real Exam Qty: | 60-70 |
| Certificate Validity Period: | 3 years |
| Related Certifications: | HCIA-WLAN HCIP-WLAN |
| Recommended Training: | Huawei Enterprise WLAN Training (HCIP-WLAN) Huawei Learning Platform |
| Exam Registration: | Pearson VUE Huawei Exams Huawei Certification Official Site |
| Sample Questions: | Huawei H12-321-ENU Sample Questions |
| Exam Way: | Computer-based exam (online or test center via authorized proctoring platform such as Pearson VUE) |
| Pre Condition: | Recommended: HCIA-WLAN or equivalent foundational WLAN knowledge |
| Official Syllabus URL: | https://e.huawei.com/en/talent/certification |
Huawei H12-321-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| WLAN Fundamentals | - 802.11 standards and evolution - WLAN topology and architecture basics - Wireless RF principles and propagation |
| WLAN Deployment and Configuration | - AP deployment and registration - Radio resource management (RRM) - SSID and VLAN configuration |
| WLAN Security | - Wireless security policies and encryption - Authentication methods (WPA/WPA2/WPA3) - 802.1X and RADIUS integration |
| WLAN Optimization and Troubleshooting | - Interference analysis and RF optimization - Performance troubleshooting methods - Roaming optimization |
| Enterprise WLAN Architecture Design | - Enterprise WLAN deployment models (Fit/Fat/Cloud AP) - Network planning and capacity design - WLAN controller (AC) architecture and functions |
Huawei HCIP-WLAN CEWA(Huawei Certified ICT Professional-Wireless Local Area Network-Constructing Enterprise WLAN Architecture) Sample Questions:
Which statements about reliability measurement are TRUE? (Multiple Choice)
- A. MTTR refers to the average time from the fault occurrence time to the fault recovery time.
- B. The formula for calculating the MTTR is as follows: MTTR= Fault detection time + Hardware replacement time + System initialization time + Link recovery time + Route convergence time + Forwarding recovery time A smaller MTTR indicates a higher reliability.
- C. MTBF refers to the average time (usually expressed in hours) from the fault occurrence time to the fault recovery time. A larger MTBF indicates a higher reliability.
- D. Generally, system reliability is determined by mean time between failure (MTBF) and mean time to repair (MTTR).
Correct Answer: A,B,D 🗳️
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. Dynamic load balancing overcomes the limitation on the number of group members in static load balancing mode.
- C. Members can be automatically added to a dynamic load balancing group and must work on the same frequency band.
- D. Members can be automatically added to a dynamic load balancing group and can work on different frequency bands.
Correct Answer: B,D 🗳️
Which of the following statements about the active CAPWAP link setup procedure are TRUE? (Multiple Choice)
- A. If the AC priorities are the same, the AP compares the loads of the ACs, that is, the number of APs. The AP selects the AC connecting to fewer APs as the active AC.
- B. As long as the active and standby ACs work properly, they will return Discovery Response packets to the AP. The Discovery Response packets contain the dual-link backup flags, priorities, loads, and IP addresses of the ACs.
- C. In Discovery phase, after dual-link backup is enabled, an AP broadcasts a Discovery Request packet.
- D. After receiving the Discovery Response packets, the AP selects an active AC based on AC priorities, loads, and IP addresses and sets up an active CAPWAP link with the active AC.
Correct Answer: B,D 🗳️
What user identity authentication modes does the Agile Controller support? (Multiple Choice)
- A. Authentication using a common account
- B. Authentication using a digital certificate
- C. Third-party authentication
- D. MAC address bypass authentication
Correct Answer: A,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. 030A33322E31352E322E3134
- B. 030A32332E35312E322E3431
- C. 030733322E31352E322E3134
- D. 030A3033322E3031352E3030322E303134
Correct Answer: A 🗳️
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