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Huawei H12-321-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Building Mobile Enterprise WLAN | 12% | - Inter-AC roaming configuration - Layer 2 and Layer 3 roaming principles - Intelligent roaming optimization |
| Topic 2: Building Secure Enterprise WLAN | 29% | - WIDS/WIPS deployment and configuration - Integration with Agile Controller-Campus - WLAN security authentication services |
| Topic 3: Building Basic Enterprise WLAN | 21% | - Large-scale WLAN networking principles - CAPWAP tunnel configuration - Radio frequency management and optimization |
| Topic 4: Building Interconnected Enterprise WLAN | 23% | - Interworking with existing wired networks - Wireless Mesh network construction - WLAN service management and monitoring |
| Topic 5: Building Highly Reliable Enterprise WLAN | 15% | - AC backup mechanisms (N+1, VRRP HSB) - Dual-link backup for APs - High availability deployment |
Huawei HCIP-WLAN CEWA(Huawei Certified ICT Professional-Wireless Local Area Network-Constructing Enterprise WLAN Architecture) Sample Questions:
Which statements about roaming are TRUE? (Multiple Choice)
- A. When an AC receives an association/re-association request, it determines that the STA roams if an entry about the STA already exists.
- B. STA roaming indicates the process in which STAs switch from one AP to another.
- C. In both Layer 2 and Layer 3 roaming, STAs* IP addresses remain unchanged.
- D. The APs used to implement WLAN roaming must be of the same model.
Correct Answer: A,B,C 🗳️
Which of the following measures can be taken to make STAs preferentially associate with the 5 GHz radio? (Multiple Choice)
- A. Configure the transmit power on the 5 GH radio 3 dB to 8 dB higher than that on the 2.4 GHz radio.
- B. Configure an AP to reject the request from a STA to associate with the 2.4 GHz radio of an AP, and allow STA association only after the number of rejections reaches the threshold. Configure an AP to immediately allow STA association if a STA requests to associate with the 5 GHz radio.
- C. Configure a higher Beacon frame rate, a longer interval for sending Beacon frames, and a smaller number of retransmissions of Probe packets on the 5 GHz radio than on the 2.4 GHz radio.
- D. Configure an AP to preferentially respond to Probe Request packets on the 5 GHz radio sent by STAs, and respond for several times before responding Probe Request packets on the 2.4 GHz radio.
Correct Answer: A,B,D 🗳️
The following figure shows how to configure radio calibration.
Which of the following correctly shows the configuration sequence?
- A. (a) (b) (d) (c)
- B. (a) (d) (b) (c)
- C. (b) (a) (d) (c)
- D. (b) (d) (a) (c)
Correct Answer: C 🗳️
The zone surrounding the line of sight (LOS) is called the Fresnel zone, which is also called the RF LOS.
- A. FALSE
- B. TRUE
Correct Answer: B 🗳️
Which figure shows the load balancing mode provided by the HSB solution?
- A. (a)
- B. (d)
- C. (c)
- D. (b)
Correct Answer: C 🗳️
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