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Huawei H12-351_V1.0 Exam Overview:

Certification Vendor:	Huawei
Exam Name:	HCIE-WLAN (Written) V1.0
Exam Number:	H12-351_V1.0
Related Certifications:	HCIE-WLAN Certification
Exam Duration:	90 minutes
Exam Price:	USD 300
Passing Score:	600/1000
Exam Format:	True/False, Drag and Drop, Single Choice, Multiple Choice
Available Languages:	English, Chinese
Certificate Validity Period:	3 years
Real Exam Qty:	60-70
Sample Questions:	Huawei H12-351_V1.0 Sample Questions
Exam Way:	Computer-based written exam delivered at Huawei-authorized testing centers.
Pre Condition:	Candidates are recommended to have HCIP-WLAN knowledge and extensive practical experience in WLAN planning, deployment, operation, and optimization.
Official Syllabus URL:	https://e.huawei.com/en/talent/cert/#/careerCert

>> H12-351_V1.0関連受験参考書 <<

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Huawei H12-351_V1.0認定試験では、WLANの計画と設計、WLANの展開と最適化、WLANセキュリティとメンテナンス、WLANトラブルシューティングなど、ワイヤレスネットワーキングに関連するさまざまなトピックを対象としています。この試験は、これらの分野での候補者の知識とスキル、およびこの知識を実際のシナリオに適用する能力をテストするように設計されています。

Huawei HCIE-WLAN (Written) V1.0 認定 H12-351_V1.0 試験問題 (Q104-Q109):

質問 # 104
Which of the following technologies can be used to optimize multicast services on a WLAN?

A. Multicast-to-unicast conversion
B. MLD snooping
C. DHCP snooping
D. Multicast CAC
E. 1GMP snooping

正解：A、D、E

質問 # 105
In Huawei's smart roaming solution, which of the following methods can be used by a WAC to discover and maintain neighboring AP entries of STAs? (Select All that Apply)

A. The AP periodically and proactively scans neighboring APs of STAs.
B. STAs proactively report neighboring AP information.
C. The WAC obtains such entries using 802. 11v.
D. The AP listens to the Probe frames sent by STAs.

正解：A、D

解説：
Explanation
In Huawei's smart roaming solution, the WAC can discover and maintain neighboring AP entries of STAs by using two methods: passive listening and active scanning. Passive listening means that the AP listens to the Probe frames sent by STAs and reports them to the WAC. Active scanning means that the AP periodically and proactively scans neighboring APs of STAs and reports them to the WAC.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/smart-roaming

質問 # 106
Which of the following statements about WLAN roaming and signal strength Is false?

A. STAs can roam between WACs in dual-link HSB mode.
B. In most cases, the signal strength of a STA should range from -45 dBm to -65 dBm.
C. Generally, a STA roams when it detects that the signal strength is less than -75 dBm.
D. Smart roaming can be enabled on the WAC to help ST As roam and associate with APs with better signals.

正解：C

解説：
Explanation
B is false because generally, a STA roams when it detects that the signal strength is less than -70 dBm or -65 dBm, not -75 dBm.
References:
https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/wlan-roaming-and-signal-strength

質問 # 107
Which of the following statements about fingerprint-based positioning technology are true? (Select All that Apply)

A. The positioning engine generates a virtual fingerprint library through calculations based on the AP deployment and environment information.
B. Terminals learn from each other to form a fingerprint library that can be shared.
C. The fingerprint map is obtained through onsite information collection.
D. APs collect surrounding environment information to form a fingerprint library.

正解：A、C

解説：
Explanation
Fingerprint-based positioning technology is a method that uses the signal strength or phase difference of wireless signals to locate objects. There are two types of fingerprint-based positioning technology: virtual fingerprint-based positioning and real fingerprint-based positioning. In virtual fingerprint-based positioning, the positioning engine generates a virtual fingerprint library through calculations based on the AP deployment and environment information. In real fingerprint-based positioning, the fingerprint map is obtained through onsite information collection.
References:
https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/fingerprint-based-positioning-techno

質問 # 108
Which of the following statements are true about management frames on a mesh network?

A. In proactive routing mode, the source node broadcasts a PREQ frame to establish a route to the destination node. After an MP receives the PREQ frame, me MP responds with a PREP frame.
B. The RANN frame is broadcast by the MPP periodically.
C. After receiving the RANN frame, an MP decrements the TTL of the frame by one, updates the path metric, and broadcasts the RANN frame.
D. In on-demand routing mode, when an MP receives a RANN frame and needs to create or update the route to the root node, the MP unicasts a PREP frame to the root node and broadcasts the RANN frame.

正解：B、C

質問 # 109
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