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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIP-Datacom-Advanced Routing & Switching Technology V1.0 |
| Exam Number: | H12-831_V1.0-ENU |
| Related Certifications: | HCIP-Datacom-Core Technology V1.0 (H12-821_V1.0) HCIP-Datacom-Advanced Routing & Switching Technology Certification |
| Real Exam Qty: | Not officially published |
| Exam Price: | USD 180 |
| Certificate Validity Period: | Typically 3 years (Huawei HCIP certification validity) |
| Exam Duration: | 90 minutes |
| Available Languages: | Chinese, English |
| Exam Format: | True/False, Scenario-based items, Multiple-answer, Multiple-choice |
| Passing Score: | 600/1000 |
| Sample Questions: | Huawei H12-831_V1.0 Sample Questions |
| Exam Way: | Onsite (Pearson VUE) and authorized Huawei testing centres; online proctoring where available. |
| Pre Condition: | It is recommended but not strictly required to have passed HCIP-Datacom-Core Technology V1.0 (H12-821_V1.0). |
| Official Syllabus URL: | https://e.huawei.com |
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Huawei H12-831_V1.0（HCIP-Datacom-Advanced Routing＆Switching Technology V1.0）認定試験は、高度なルーティングおよびスイッチング技術の分野で専門知識を示したい個人向けに、Huaweiが提供するプロフェッショナルレベルの認定資格です。この認定資格は、すでにHCIA-Datacom認定資格を取得しており、この分野でのスキルをさらに向上させたい人々を対象としています。
Huawei H12-831_V1.0（HCIP-Datacom-Advanced Routing＆Switching Technology v1.0）認定試験は、Huaweiが提供する専門的な認定試験です。この試験は、高度なルーティングと切り替え技術のキャリアを追求することに関心のある個人の知識とスキルをテストするように設計されています。この試験は、複雑なエンタープライズレベルのネットワークを設計、構成、トラブルシューティングする候補者の能力を評価するように設計されています。
Huawei H12-831_V1.0-ENU（HCIP-Datacom-Advanced Routing＆Switching Technology v1.0）認定試験は、高度なルーティングと切り替え技術の専門知識を検証したい専門家向けに設計されています。この認定試験は、複雑なICTインフラストラクチャソリューションの設計、展開、管理に必要な知識とスキルを候補者に提供することを目的とするHuawei Certified ICT Professional（HCIP）プログラムの一部です。 HCIP-DATACOM-ADVANCEDルーティングおよびスイッチングテクノロジーV1.0認定は、大規模なエンタープライズネットワークで高度なルーティングとスイッチングテクノロジーを構成およびトラブルシューティングする候補者の能力を検証します。
質問 # 20
On the network shown in the figure, the DHCP server function is enabled on GE0/0/0 of R2 , and the address pool is an interface address pool .
When GE0/0/0 and GE0/0/1 of R1 function as DHCP clients , only one interface can obtain an IP address by default .
Options:
正解：B
解説：
Comprehensive and Detailed In-Depth Explanation:
Understanding the DHCP Process in This Scenario:
* DHCP Server on R2:
* The DHCP server is configured on interface GE0/0/0 of R2 .
* The address pool is an interface address pool , meaning that IP addresses are allocated from the subnet of GE0/0/0 (i.e., 10.0.12.0/24 ).
* DHCP Clients on R1:
* Both interfaces (GE0/0/0 and GE0/0/1) on R1 are set as DHCP clients , meaning they will send DHCP DISCOVER messages to obtain an IP address dynamically .
* Why Only One Interface Gets an IP Address?
* Interface address pools in Huawei devices assign only one IP address per MAC address (which is typically the router's MAC).
* Since both interfaces belong to R1 , they share the same MAC address when making a DHCP request.
* As a result, the DHCP server on R2 only assigns one IP address to the first requesting interface .
* The second request is ignored or denied by the DHCP server due to the duplicate MAC address issue .
Key Takeaways:
* Huawei routers using an interface-based DHCP address pool assign only one IP per MAC address.
* Since both interfaces on R1 have the same MAC, only one gets an IP.
* This behavior is expected in Huawei's HCIP-Datacom-certified DHCP configurations.
HCIP-Datacom-Advanced Routing & Switching Technology References:
* Huawei HCIP-Datacom Official Certification Guide , Chapter on DHCP Server and Client Configurations .
* Huawei Datacom Configuration Guide , Section on Interface Address Pools and Address Assignment Limitations .
* Huawei Enterprise Networking Training Materials , DHCP Relay and DHCP Server Behavior.
質問 # 21
In an MPLS VPN network, data packets are forwarded when they enter the public network. will be encapsulated with two layers of MPLS labels sign. Which of the following options describes the processing of the packet correctly:
正解：A、C
質問 # 22
On the OSPFv3 network shown in the figure, OSPFv3 is enabled on the interfaces connecting R1, R2, and R3. The router ID of each router is 10.0.X.X, where X is the number of the router. If you check detailed information about an LSA on R3, the command output shows that the LSA is generated by R2 and describes the IPv6 prefix address associated with the Router-LSA.
正解：B
質問 # 23
When the administrator enables the MPLS LDP function of the device, which of the following commands must be configured first?
正解：D
質問 # 24
On an MPLS network where LDP is used to establish LSPs, a transit node directly connected to the ingress node that sends a label request distributes labels to the ingress node only after receiving a label mapping message from the egress node. In this case, which of the following is the correct combination of the label advertisement mode and label distribution control mode?
正解：B
解説：
The label advertisement mode is Downstream-on-Demand (DoD) because the ingress node explicitly sends a Label Request message. In DoD mode, an LSR does not automatically advertise a label binding for a FEC. It waits until the upstream LSR requests the label.
The label distribution control mode is ordered because the transit LSR waits until it receives a Label Mapping message from its downstream node-the egress in this topology-before advertising a corresponding label mapping to the ingress.
The two characteristics are therefore:
* DoD: A label is advertised only after an upstream Label Request is received.
* Ordered control: A transit LSR advertises a label mapping only after it has received the downstream label mapping or when the local LSR itself is the egress for the FEC.
Independent control would allow the transit LSR to allocate and advertise its own label without first obtaining a label mapping from the downstream node. That contradicts the behavior described in the question.
Therefore, the correct combination is DoD + ordered. Huawei LDP label advertisement modes
質問 # 25
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