Huawei H19-402_V1.0基礎問題集、H19-402_V1.0技術問題

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Huawei H19-402_V1.0認定試験では、ネットワークアーキテクチャと設計、ネットワーク仮想化と自動化、ストレージネットワーキング、ネットワークセキュリティなど、データセンターネットワークの計画と設計に関連する幅広いトピックをカバーしています。この認定試験は、Huawei製品とソリューションを使用して、データセンターネットワークを設計および計画する際の候補者の知識とスキルをテストするように設計されています。

>> Huawei H19-402_V1.0基礎問題集 <<

Huawei H19-402_V1.0技術問題、H19-402_V1.0日本語練習問題

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Huawei H19-402_V1.0認定試験は、データセンターのネットワークの計画と設計の経験があり、この分野での知識とスキルを検証しようとしている個人に最適です。認定試験では、ネットワークアーキテクチャと設計、データセンターネットワークプロトコルとテクノロジー、ネットワークセキュリティ、ネットワーク管理と監視など、幅広いトピックをカバーしています。

Huawei H19-402_V1.0認定試験は、データセンターのネットワーク計画と設計に関連する幅広いトピックをカバーしています。この認定試験で説明されている主要なトピックには、データセンターネットワークアーキテクチャ、ネットワーク設計原則、ネットワークセキュリティ、ネットワーク仮想化、ネットワーク管理が含まれます。

Huawei HCSP-Presales-Data Center Network Planning and Design V1.0 認定 H19-402_V1.0 試験問題 (Q13-Q18):

質問 # 13
Which of the following multi-DC interconnection solutions are supported by the CloudFabric Solution?

A. Multi-Site
B. Multi-VPC
C. Multi-DC
D. Multi-PoD

正解：A、C、D

解説：
Huawei CloudFabric supports multiple data center interconnection (DCI) solutions to meet different scalability and geographic deployment requirements.
Multi-PoD (A) is supported and is used within a single data center to divide it into multiple Pods for modular expansion. It enables large-scale resource pooling while maintaining consistent architecture and simplified management.
Multi-Site (C) is a key CloudFabric capability, allowing multiple geographically distributed data centers to interconnect. This supports disaster recovery (DR), geo-redundancy, and workload migration , often implemented using EVPN/VXLAN across sites.
Multi-DC (D) is a broader concept encompassing interconnection between multiple data centers, including active-active and active-standby designs. Huawei supports this through DCI solutions integrated with CloudFabric , ensuring seamless service continuity.
Multi-VPC (B) is not a standard Huawei CloudFabric multi-DC interconnection model; it is more commonly associated with public cloud networking concepts rather than Huawei's data center fabric architecture.
Therefore, the correct answers are A, C, and D , which represent the supported multi-data-center interconnection solutions in Huawei CloudFabric.

質問 # 14
Which of the following are characteristics of distributed VXLAN gateways?

A. Forwarding paths are not optimal. Inter-subnet Layer 3 traffic between devices connected to the same gateway in a data center must be transmitted to a unified Layer 3 gateway for forwarding.
B. A leaf node can function as both a Layer 2 VXLAN gateway and a Layer 3 VXLAN gateway, supporting flexible deployment.
C. A distributed VXLAN gateway (leaf node) only needs to learn the ARP entries of servers connected to it, whereas a centralized Layer 3 VXLAN gateway needs to learn the ARP entries of all servers on a network. Therefore, the number of ARP entries supported is no longer a bottleneck on distributed VXLAN gateways, and the network scalability is improved.
D. The number of ARP entries supported is a bottleneck. A single Layer 3 gateway is used. For tenants whose traffic is forwarded by the Layer 3 gateway, ARP entries must be generated for the tenants on the Layer 3 gateway, but only a limited number of ARP entries are allowed by the Layer 3 gateway, which impedes data center network expansion.

正解：B、C

解説：
In Huawei CloudFabric VXLAN design, distributed gateway architecture is a key enhancement over traditional centralized gateway models, especially for large-scale data centers.
Option A is correct because distributed gateways (typically deployed on leaf nodes) only maintain local ARP
/MAC entries for directly connected hosts. This significantly reduces ARP table pressure compared to centralized gateways, where a single device must learn all entries. This improves scalability and performance , which is critical in multi-tenant environments.
Option C is also correct as Huawei leaf switches can simultaneously act as Layer 2 VXLAN gateways (bridging) and Layer 3 VXLAN gateways (routing) . This enables distributed inter-subnet routing directly at the access layer, reducing latency and improving east-west traffic efficiency.
Option B is incorrect because it describes a limitation of centralized gateways , where traffic must traverse a central node, leading to suboptimal paths. Distributed gateways eliminate this issue.
Option D is also incorrect as it again describes centralized gateway constraints, not distributed ones.
Thus, distributed VXLAN gateways provide better scalability, optimal forwarding paths, and flexible deployment , making A and C correct .

質問 # 15
iBattery intelligent battery management can monitor the parameters of a single battery in detail.
What are these parameters? (Multiple choice)

A. Voltage
B. Temperature
C. Electric current
D. Internal resistance

正解：A、B、C、D

質問 # 16
Which of the following technologies can be used for L4-L7 load balancing in Huawei ' s CloudFabric Solution?

A. HAProxy
B. Nginx
C. IP ECMP
D. LVS

正解：B、D

解説：
Comprehensive and Detailed 150 to 200 words of Explanation From Huawei data center:
After rechecking against Huawei's own materials, the verified multi-select answer is B and D . Huawei documentation for Elastic Load Balance, which is the load-balancing architecture referenced in Huawei cloud
/data center designs, states that for Layer 4 traffic using TCP/UDP , incoming traffic is routed only through the LVS cluster . For Layer 7 traffic using HTTP/HTTPS , incoming traffic is routed first to the LVS cluster and then to the Nginx cluster before reaching backend servers. That means Huawei explicitly uses LVS for L4 load balancing and Nginx together with LVS for L7 load balancing.
By contrast, IP ECMP is a Layer 3 equal-cost forwarding/load-sharing mechanism, not an L4-L7 service load balancer in Huawei's CloudFabric context. Huawei's ECMP documentation discusses route-based traffic distribution in the IP layer, which is fundamentally different from application/service load balancing.

質問 # 17
Huawei Netcol air-cooled air conditioner (35 and 46KW) can be filled with R22 refrigerant 0

A. False
B. True

正解：A

質問 # 18
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