H12-351_V1.0日本語版受験参考書 & H12-351_V1.0認定デベロッパー

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Huawei H12-351_V1.0 Exam Syllabus Topics:

Section	Weight	Objectives
WLAN Reliability and Radio Resource Management	20%	- Radio Resource Management 1. Dynamic channel and power adjustment 2. Interference detection and mitigation 3. Admission control and load balancing - WLAN Redundancy and Reliability 1. AP redundancy and fast failover 2. Mesh and WDS technologies 3. AC backup and load balancing
WLAN Advanced Technologies and Solutions	15%	- WLAN and IoT Convergence 1. IoT access over WLAN 2. CloudCampus and smart campus solutions - Roaming and Location Services 1. Layer 2 and Layer 3 fast roaming 2. Wi-Fi positioning and location technology
WLAN Networking and Deployment	20%	- WLAN Networking Modes 1. CloudCampus WLAN architecture 2. Layer 3 and inter-subnet roaming 3. Direct connection and Layer 2 networking - High-Density and Large-Scale Deployment 1. AP placement and channel planning 2. IPv6 support in WLAN 3. Power adjustment and coverage design
WLAN O&M, Troubleshooting and Optimization	15%	- Troubleshooting and Optimization 1. Common fault analysis and resolution 2. RF optimization and network capacity tuning - Monitoring and Intelligent O&M 1. WLAN performance monitoring 2. Fault diagnosis and alarm management
WLAN Security and Access Control	15%	- Security Defense 1. Access control and policy management 2. Anti-interference and anti-spoofing 3. Rogue AP detection and containment - Authentication and Encryption 1. 802.1X, MAC, and Portal authentication 2. WPA/WPA2/WPA3 security 3. Certificate-based authentication
WLAN Basic Principles and Architecture	15%	- Huawei WLAN Architecture 1. WLAN AC and AP working mechanism 2. CAPWAP protocol 3. Fat AP vs Fit AP - RF and 802.11 Protocol Fundamentals 1. 802.11 physical and MAC layer 2. Frequency bands and channels 3. Radio frequency characteristics

>> H12-351_V1.0日本語版受験参考書 <<

H12-351_V1.0認定デベロッパー & H12-351_V1.0認定資格試験

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Huawei HCIE-WLAN (Written) V1.0 認定 H12-351_V1.0 試験問題 (Q24-Q29):

質問 # 24
A standard WLAN project lifecycle includes requirements clarification, HLD, site survey, LLD, network deployment, network optimization, and acceptance test. In the requirements clarification phase, which of the following information needs to be collected in the requirements collection table?

A. Service types
B. Bandwidth requirements, including the total number of STAs, per-STA bandwidth requirements, and network concurrency rate
C. Switch position, AP installation positions, and power supply mode
D. Terminal types and quantity
E. Laws and regulations of the place where the network is located
F. Floor plan of coverage areas

正解：A、B、D、E、F

質問 # 25
To which of the following scenarios is radio calibration applicable?

A. Rail transportation scenario
B. WDS or mesh backhaul scenario
C. High-density scenario
D. Enterprise office scenario

正解：C

解説：
Explanation
Radio calibration is applicable to high-density scenarios where a large number of users access the network simultaneously and require high bandwidth, such as stadiums, exhibition halls, and conference centers. Radio calibration can improve user experience by increasing the frequency bandwidth for high-load APs.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/radio-calibration

質問 # 26
As shown in the figure, STA_1 through STA_4 are associated with AP_1, and STA_5 is associated with AP_2. Assuming that the load balancing threshold is 2, the load difference threshold is 25%, and API and AP2 support a maximum of 10 STAs, which of the following statements are true? (Select All that Apply)

A. The minimum load percentage is 10%, which is greater than the load difference threshold. Therefore, load balancing needs to be enabled.
B. The load percentage of AP_1 is 40%, and that of AP_2 is 10%.
C. If load balancing is performed, the load percentage of AP_1 changes to 30%.
D. The load balancing mechanism needs to be enabled. Then some STAs are steered from AP_1 to AP__2.

正解：B、D

解説：
Explanation
The load percentage of an AP is calculated by dividing the number of associated STAs by the maximum number of STAs supported by the AP. In this case, the load percentage of AP_1 is 4/10 = 40%, and that of AP_2 is 1/10 = 10%. The load balancing mechanism needs to be enabled to balance the load between AP_1 and AP_2. Then some STAs are steered from AP_1 to AP_2 based on the load balancing threshold and the load difference threshold.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/load-balancing

質問 # 27
Which of the following statements about VXLAN is false?

A. A Layer 3 VXLAN gateway is used for inter-subnet communication on a VXLAN network and communication with external non-VXLAN networks.
B. A VBDIF interface is a logical interface created based on a BD. It is similar to a VLANIF interface on a traditional network.
C. Layer 2 and Layer 3 VXLAN gateways must maintain VBDIF interfaces. Otherwise, users cannot communicate with each other through these interfaces.
D. A Layer 2 VXLAN gateway forwards traffic to a VXLAN network and can also be used for Intra- subnet communication on the same VXLAN network.

正解：C

解説：
B is false because only Layer 3 VXLAN gateways need to maintain VBDIF interfaces for inter-subnet communication on a VXLAN network or communication with external non-VXLAN networks. Layer 2 VXLAN gateways do not need VBDIF interfaces.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/vxlan-gateway

質問 # 28
An LDAP directory is tree-structured and consists of multiple entries. Each entry has a unique distinguished name (DN). If the DM of a directory server is " CN=Stephen, 0U = Enterprise, OU = Huawei, DC=AD, DC=Huawei " , which of the following statements are false?

A. The directory server is not an AD server.
B. The domain name of the directory server is Huawei
C. DN specifies a path.
D. Stephen indicates a user or user group.

正解：A、B

質問 # 29
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