H12-893_V1.0参考書内容 & H12-893_V1.0試験感想

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Huawei H12-893_V1.0 認定試験の出題範囲：

トピック	出題範囲
トピック 1	データセンターネットワーク O&M: データセンターネットワークエンジニアを対象としたこのセクションでは、データセンターネットワークにおける運用と保守 (O&M) の課題に対する理解を評価します。iMaster NCE-Fabric や iMaster NCE-FabricInsight などの Huawei のインテリジェント O&M ソリューションを紹介し、一般的な O&M シナリオ、管理、監視、トラブルシューティングの実践、ネットワークサービスのプログラマビリティによる自動化された O&M 戦略について説明します。
トピック 2	仮想化の技術的原則とアプリケーション: このセクションでは、データセンター内のサーバーとネットワークの仮想化の概念、利点、実装戦略を理解する IT ソリューションアーキテクトとデータセンターネットワークエンジニアのスキルを評価します。また、Huawei の FusionCompute プラットフォーム、その機能、機能、仮想化シナリオでのアプリケーションについても紹介します。
トピック 3	データセンターネットワークの計画と展開: このセクションでは、CloudFabric 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計画、設計、展開するデータセンターネットワークエンジニアのスキルを評価します。ネットワークアーキテクチャ設計、データ計画、アンダーレイおよびオーバーレイネットワーク設計、セキュリティの考慮事項、管理戦略をカバーし、事前構成、サービスプロビジョニング、簡素化された展開プロセスなど、コンピューティングシナリオにおける CloudFabric ソリューションの展開ガイドを提供します。
トピック 4	M-LAG の技術的原理とアプリケーション: このセクションでは、データセンターネットワークエンジニア向けにマルチシャーシリンクアグリゲーション (M-LAG) の概念を紹介します。基本原理、構成、ネットワークの信頼性を高める利点、M-LAG セットアップ内の障害保護のメカニズム、展開プロセス、考慮事項、データセンターにおける M-LAG のベストプラクティスについて説明します。

>> H12-893_V1.0参考書内容 <<

H12-893_V1.0試験感想 & H12-893_V1.0日本語的中対策

今の人材が多い社会中に多くの業界は人材不足でたとえばIT業界はかなり技術的な人材が不足で、HuaweiのH12-893_V1.0認定試験はIT技術の認証試験の1つで、CertShikenはHuaweiのH12-893_V1.0認証試験に関するの特別な技術を持ってサイトでございます。

Huawei HCIP-Data Center Network V1.0 認定 H12-893_V1.0 試験問題 (Q22-Q27):

質問 # 22
"1-3-5" troubleshooting of the CloudFabric intelligent O&M solution can detect, locate, and rectify faults from multiple dimensions. Which of the following are not dimensions supported by this function? (Select All that Apply)

A. Service
B. Application
C. Configuration
D. Device
E. Protocol

正解：B

解説：
Huawei's CloudFabric intelligent O&M solution, leveraging iMaster NCE-Fabric and FabricInsight, uses the "1-3-5" principle (detect within 1 minute, locate within 3 minutes, rectify within 5 minutes) to handle faults. This approach analyzes faults across multiple dimensions. Let's evaluate each option:
A . Device: This is supported. The solution monitors device-level metrics (e.g., CPU, memory) to detect and locate faults. SUPPORTED.
B . Protocol: This is supported. Protocol issues (e.g., OSPF conflicts, BGP errors) are analyzed for fault detection and resolution. SUPPORTED.
C . Service: This is supported. Service-level faults (e.g., tenant connectivity, VPC issues) are tracked and addressed. SUPPORTED.
D . Application: This is not supported. The "1-3-5" troubleshooting focuses on network infrastructure (devices, protocols, services, configurations), not application-layer issues, which are outside its scope. NOT SUPPORTED.
E . Configuration: This is supported. Configuration errors (e.g., mismatched VNIs) are detected and rectified as part of the process. SUPPORTED.
Thus, D (Application) is not a dimension supported by the "1-3-5" troubleshooting function.

質問 # 23
Which of the following statements is false about centralized gateway deployment using BGP EVPN?

A. When BGP EVPN is used to dynamically establish a VXLAN tunnel, the local and remote VTEPs first establish a BGP EVPN peer relationship and then exchange BGP EVPN routes to transmit VNI and VTEP IP address information. A VXLAN tunnel is then dynamically established between them.
B. A VXLAN tunnel is identified by a pair of VTEP IP addresses and can be established if the local and remote VTEP IP addresses are reachable to each other at Layer 3.
C. When configuring a VTEP, you need to create a Layer 2 BD and bind a VNI to the Layer 2 BD.
D. When configuring a VTEP, you need to create an EVPN Instance in the Layer 2 BD and configure an RD for the local EVPN instance. You do not need to configure an RT.

正解：D

解説：
Centralized gateway deployment using BGP EVPN in Huawei's data center networks (e.g., CloudFabric) involves a gateway handling Layer 3 routing for VXLAN overlays. Let's evaluate each statement:
A . When configuring a VTEP, you need to create a Layer 2 BD and bind a VNI to the Layer 2 BD: A Bridge Domain (BD) is a Layer 2 broadcast domain in VXLAN, and a Virtual Network Identifier (VNI) is bound to it to segment traffic. This is a standard step when configuring a VXLAN Tunnel Endpoint (VTEP) to map the overlay network. TRUE.
B . A VXLAN tunnel is identified by a pair of VTEP IP addresses and can be established if the local and remote VTEP IP addresses are reachable to each other at Layer 3: VXLAN tunnels are established between VTEPs using their IP addresses as endpoints. Layer 3 reachability (e.g., via underlay routing) is required for tunnel establishment. TRUE.
C . When BGP EVPN is used to dynamically establish a VXLAN tunnel, the local and remote VTEPs first establish a BGP EVPN peer relationship and then exchange BGP EVPN routes to transmit VNI and VTEP IP address information. A VXLAN tunnel is then dynamically established between them: In BGP EVPN, VTEPs establish a BGP peer relationship, exchange routes (e.g., Type 2 for MAC/IP or Type 3 for multicast), and share VNI and VTEP IP details, enabling dynamic tunnel setup. TRUE.
D . When configuring a VTEP, you need to create an EVPN Instance in the Layer 2 BD and configure an RD for the local EVPN instance. You do not need to configure an RT: An EVPN Instance (EVI) is created within a BD, and a Route Distinguisher (RD) is configured to make routes unique. However, Route Targets (RTs) are also required to control route import/export between EVPN peers, ensuring proper VNI and route distribution. Stating that RT configuration is not needed is incorrect, as RTs are essential for BGP EVPN operation. FALSE.
Thus, D is the false statement because RT configuration is necessary in centralized gateway deployment with BGP EVPN.

質問 # 24
Which of the following statements is false about the routing design for the underlay network during DCN deployment?

A. When OSPF is used on the underlay network, only single-area OSPF can be deployed.
B. When EBGP is used on the underlay network, each group of active-active leaf nodes is deployed in an AS.
C. Compared with OSPF, EBGP involves fewer calculations and offers better scalability.
D. OSPF is recommended for small and midsize DCNs, and EBGP is recommended for large and midsize networks.

正解：A

解説：
The underlay network in Huawei's DCNs (e.g., CloudFabric) uses routing protocols like OSPF or BGP. Let's evaluate each statement:
A . OSPF is recommended for small and midsize DCNs, and EBGP is recommended for large and midsize networks: This is true. OSPF suits smaller networks (<300 switches), while EBGP is better for large networks (>300 switches) due to scalability. TRUE.
B . When OSPF is used on the underlay network, only single-area OSPF can be deployed: This is false. Multi-area OSPF can be deployed to manage larger networks, reducing routing table size and improving stability, a common practice in Huawei DCNs. FALSE.
C . Compared with OSPF, EBGP involves fewer calculations and offers better scalability: This is true. EBGP's path-vector nature requires fewer computational resources than OSPF's link-state calculations and scales better with large topologies. TRUE.
D . When EBGP is used on the underlay network, each group of active-active leaf nodes is deployed in an AS: This is true. In EBGP designs, active-active leaf nodes (e.g., M-LAG) are typically in the same Autonomous System (AS) to simplify routing, using iBGP or route reflectors. TRUE.
Thus, B is the false statement because multi-area OSPF is supported, not just single-area.

質問 # 25
In the computing scenario of Huawei CloudFabric Solution, which of the following services are optional for controller interconnection? (Select All that Apply)

A. Interconnection with eSight
B. Interconnection with FabricInsight
C. Interconnection with the authentication server
D. Interconnection with the VMM

正解：A、B

解説：
In Huawei's CloudFabric Solution, the iMaster NCE-Fabric controller manages the network in computing scenarios (e.g., virtualized environments). Controller interconnection with external systems can be mandatory or optional depending on functionality. Let's evaluate each option:
A . Interconnection with FabricInsight: This is optional. FabricInsight is an analytics and assurance tool that enhances visibility and troubleshooting but is not required for basic controller operations in the computing scenario. OPTIONAL.
B . Interconnection with the authentication server: This is mandatory. Authentication servers (e.g., RADIUS, TACACS+) are essential for securing access to the controller and managed devices, a core requirement in computing scenarios. NOT OPTIONAL.
C . Interconnection with eSight: This is optional. eSight is a network management platform that provides additional monitoring and management capabilities, but it is not necessary for core controller functionality. OPTIONAL.
D . Interconnection with the VMM (Virtual Machine Manager): This is mandatory. Interconnection with a VMM (e.g., FusionCompute, OpenStack) is required to manage virtualized computing resources and orchestrate network services in the computing scenario. NOT OPTIONAL.
Thus, A (Interconnection with FabricInsight) and C (Interconnection with eSight) are optional services for controller interconnection.

質問 # 26
Which of the following protocols is used to back up session tables between the active and standby firewalls in the hot standby scenario?

A. VRRP
B. M-LAG
C. BFD
D. HRP

正解：D

解説：
In a hot standby scenario, firewalls (e.g., Huawei USG series) maintain high availability by synchronizing session tables between active and standby devices to ensure seamless failover. Let's evaluate each protocol:
A . M-LAG (Multi-Chassis Link Aggregation): M-LAG is a link aggregation technology for switches, not designed for session table backup between firewalls. Incorrect.
B . VRRP (Virtual Router Redundancy Protocol): VRRP provides gateway redundancy by electing a master router, but it does not handle session table synchronization between firewalls. Incorrect.
C . BFD (Bidirectional Forwarding Detection): BFD is a fast failure detection protocol used with routing protocols, not for session table backup. Incorrect.
D . HRP (Hot Standby Redundancy Protocol): HRP is Huawei's proprietary protocol specifically designed for firewall hot standby scenarios. It synchronizes session tables, configuration data, and status information between active and standby firewalls to ensure stateful failover. Correct.
Thus, the answer is D (HRP).

質問 # 27
......

Huawei H12-893_V1.0認証試験を通ってからかなり人生の新しいマイレージカードがあるようで、仕事に大きく向上してIT業種のすべての方は持ちたいでしょう。多くの人はこんなに良いの認証試験を通ることが難しくて合格率はかなり低いと思っています。ちっとも努力しないと合格することが本当に難しいです。Huawei H12-893_V1.0試験を通るのはかなり優れた専門知識が必要です。CertShikenがHuawei H12-893_V1.0認証試験を助けて通るのウエブサイトでございます。CertShikenはHuawei H12-893_V1.0認証試験に向かって問題集を開発しておって、君のいい成績をとることを頑張ります。一目でわかる最新の出題傾向でわかりやすい解説、充実の補充問題などで買うことは一番お得ですよ。

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H12-893_V1.0参考書内容 & H12-893_V1.0試験感想

Huawei H12-893_V1.0 認定試験の出題範囲：

H12-893_V1.0試験感想 & H12-893_V1.0日本語的中対策

Huawei HCIP-Data Center Network V1.0 認定 H12-893_V1.0 試験問題 (Q22-Q27):

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