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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIE-Datacom V1.0 |
| Exam Number: | H12-891_V1.0 |
| Available Languages: | ENU, CHS |
| Exam Format: | True or false, Single-answer Question, Drag and drop item, Short Response Item, Multiple-answer Question |
| Exam Duration: | 90 minutes |
| Exam Price: | 300 USD |
| Related Certifications: | HCIE-Datacom Huawei Certified ICT Expert (HCIE) |
| Passing Score: | 600/1000 |
| Sample Questions: | Huawei H12-891_V1.0 Sample Questions |
| Exam Way: | Pearson VUE or Prometric |
| Pre Condition: | It is recommended to pass HCIP-Datacom-Core Technology. 5 years of relevant work experience is suggested. |
| Official Syllabus URL: | https://e.huawei.com/en/talent/cert/#/cert/technical-cert-details?certId=1223102600645939200&contentId=1223107831750217728 |
我々のH12-891_V1.0問題集はIT認定試験に関連する豊富な経験を持っているIT専門家によって研究された最新バージョンの試験参考書です。この問題集は全面的で的中率が超高いです。我々のH12-891_V1.0問題集はHuaweiのリーダーです。そのほかに、我々はお客様の立場で商品を開発するという目的を持っていますから、あなたに利便性をもたらすために、我々は大好評を博しているH12-891_V1.0問題集を開発しました。
Huawei H12-891_V1.0（HCIE-Datacom V1.0）試験は、データ通信の分野でのネットワークエンジニアの知識とスキルをテストするために設計された認定試験です。この試験は、電気通信機器や消費者向け電子機器の設計および製造を専門とする多国籍テクノロジー企業である華為技術有限公司によって提供されています。
Huawei H12-891_V1.0試験は、ネットワーク設計、ネットワーク実装、ネットワークトラブルシューティング、ネットワークセキュリティなど、データ通信に関連する幅広いトピックをカバーしています。候補者は、複雑なネットワークソリューションの設計と実装、ネットワーク問題のトラブルシューティング、サイバー脅威からのネットワークの保護能力について試験されます。試験はまた、仮想化、クラウドコンピューティング、ソフトウェア定義ネットワーキングなどの高度なトピックにも対応しており、テクノロジーの速い世界で先を見据えたITプロフェッショナルにとって理想的な認定資格となっています。
質問 # 109
An SR-MPLS Policy needs to divert service traffic to a tunnel for forwarding. If traffic from various services is destined for the same address, which of the following traffic diversion modes is recommended to ensure the quality of each service?
正解：B
解説：
Traffic Diversion in SR-MPLS Policy
SR-MPLS Policies use traffic steering mechanisms to direct specific flows to Segment Routing paths (SR Policies). When multiple services share the same destination address, color-based traffic diversion ensures differentiated service treatment.
✅ B. Color-based traffic diversion (Correct Answer)
Traffic is classified based on "color" (a BGP-SR policy attribute) and mapped to different SR-MPLS tunnels.
Different colors represent different paths (e.g., high-priority services can use an optimized low-latency path).
This method ensures service quality by directing traffic according to policy-based routing decisions.
質問 # 110
The RR (Route Reflector) is critical to the Huawei SD-WAN Solution, and its deployment mode varies based on the scenario. In which of the following modes can an RR be deployed?
正解：B、C、D
解説：
Understanding Route Reflectors (RRs) in Huawei SD-WAN
In Huawei's SD-WAN Solution, BGP Route Reflectors (RRs) are used to reduce the number of BGP peer relationships and optimize routing scalability.
# Key Functions of an RR in SD-WAN:
* Centralizes BGP route distribution in large-scale SD-WAN networks.
* Reduces full-mesh BGP peering complexity.
* Improves network scalability and convergence time.
Analysis of Each Deployment Mode:
# B. Independent deployment of the RR
* Correct: The RR is deployed as a standalone device, independent of the SD-WAN hub site.
* Best for large-scale SD-WAN deployments requiring dedicated route control.
# C. Co-deployment of the RR and hub site
* Correct: The RR is co-located with the SD-WAN hub site, reducing infrastructure overhead.
* Best for mid-sized SD-WAN deployments where the hub and RR functions can be combined.
# D. Partially independent deployment of the RR
* Correct: The RR is partially separated from the hub but still shares some resources.
* Provides a balance between full independence and co-location.
# A. Multi-area deployment of the RR (Incorrect Choice)
* Multi-area RR deployment is not a common Huawei SD-WAN practice.
* Huawei does not require separate RRs per area, as SD-WAN is based on centralized policy-based routing.
Real-World Application:
* Large Enterprise SD-WAN: Uses independent RRs to optimize global network routing.
* Service Provider SD-WAN: Uses co-deployed RRs to reduce infrastructure costs while maintaining route scalability.
# Reference: Huawei HCIE-Datacom Guide - BGP Route Reflectors in SD-WAN Architecture
質問 # 111
Which of the following statements about DHCP snooping isincorrect?
正解：C
解説：
Comprehensive and Detailed In-Depth Explanation:
The statementAis incorrect because enablingDHCP snooping in the VLAN viewonly takes effect on interfaces within that specific VLAN that have DHCP snooping configured. It doesnot automatically apply to all interfaces of the device. Each interface within the VLAN must individually be configured or marked as trusted/untrusted.
B:Correct, as DHCP snooping, when enabled globally without any additional specifications, defaults to processingDHCPv4messages.
C:Correct, as DHCP snooping can protect against DHCP spoofing attacks by marking interfaces astrustedoruntrusted.
D:Correct, enabling DHCP snooping on an interface means it will monitor all DHCP messages on that specific interface.
Reference:
Huawei HCIE Datacom Official Certification Guide
Huawei DHCP Snooping Configuration Guide
質問 # 112
Mainstream Layer 2 tunneling technologies include VXLAN TRILL, NVGB and MPLS.
正解：A
質問 # 113
What command can be used to prevent users from accessing multiple devices through the HUB on the switch's access port?( Radio).
正解：C
質問 # 114
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