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Huawei H12-831_V1.0-ENU exam : HCIP-Datacom-Advanced Routing & Switching Technology V1.0
- Exam Code: H12-831_V1.0-ENU
- Exam Name: HCIP-Datacom-Advanced Routing & Switching Technology V1.0
- Updated: Oct 15, 2026
- Q & A: 246 Questions and Answers
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Huawei H12-831_V1.0-ENU certification exam is a computer-based exam that consists of multiple-choice questions. H12-831_V1.0-ENU exam is typically two hours long and requires a score of at least 600 to pass. H12-831_V1.0-ENU exam is offered in multiple languages, including English, Chinese, and Spanish.
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Huawei H12-831_V1.0-ENU (HCIP-Datacom-Advanced Routing & Switching Technology V1.0) certification exam is a valuable credential for IT professionals who specialize in data communication and networking. H12-831_V1.0-ENU exam covers advanced routing and switching technology concepts and skills and is recognized globally. Passing the exam can help professionals to advance their careers and open up new opportunities in the field of data communication and networking.
Huawei H12-831_V1.0-ENU certification exam is based on the latest industry standards and best practices. It covers advanced topics related to routing and switching technologies, including advanced IP routing protocols, MPLS VPN, VRRP, multicast, and VLAN technologies. HCIP-Datacom-Advanced Routing & Switching Technology V1.0 certification exam also covers the latest trends and developments in the field of data communication, such as SDN and NFV.
Huawei H12-831_V1.0-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Advanced BGP Features | 10% | - Route reflectors and confederations - BGP path control and filtering - BGP route attributes and policies |
| Topic 2: MPLS Technologies | 19% | - MPLS VPN and traffic engineering - MPLS basics and label distribution - MPLS protection and fast reroute |
| Topic 3: Network Troubleshooting | 10% | - Fault diagnosis and analysis methods - Troubleshooting routing and switching issues |
| Topic 4: Network O&M | 7% | - Performance optimization and capacity planning - Network monitoring and management tools |
| Topic 5: Network Cutover and Migration | 7% | - Migration strategies and risk control - Service switchover and verification |
| Topic 6: Advanced IGP Features | 17% | - OSPF advanced features and optimization - IS-IS advanced features and convergence - IGP route selection and control |
| Topic 7: IPv6 Routing | 20% | - IPv6 addressing and transition technologies - BGP4+ and IPv6 route deployment - OSPFv3 and IS-IS for IPv6 |
| Topic 8: Advanced Ethernet Technologies | 10% | - VLAN stacking and QinQ - Ethernet OAM and protection mechanisms - Advanced link aggregation and reliability |
Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions:
A network engineer draws a schematic diagram of a multicast network (shown in the figure) during troubleshooting. R1 and R2 run IGMP version 2 and use PIM-SM as the multicast routing protocol. The default settings are used for other parameters. Given this, the DR on the multicast network is _____. (Enter the device ID, for example, R1.)
Correct Answer:
R2
Explanation:
PIM Sparse Mode (PIM-SM) elects a Designated Router (DR) on a shared network segment to coordinate multicast source registration and receiver-side multicast forwarding.
The election first compares the DR priorities advertised in PIM Hello messages.
The router with the highest DR priority is selected. When routers have equal priorities, the router with the numerically highest interface IP address wins.
In the topology, R1 uses 10.0.12.1/24 and R2 uses 10.0.12.2/24. Both routers use default DR priority values.
Because 10.0.12.2 is higher than 10.0.12.1, R2 is elected as the PIM-SM Designated Router.
This differs from the IGMPv2 querier election, which selects the router with the lowest IP address. Thus, R1 would be the IGMP querier, but R2 is the PIM-SM DR.
Huawei NetEngine AR6120 and AR6121 each have two slots for accommodating service interface cards, and the two slots can be combined into one.
- A. FALSE
- B. TRUE
Correct Answer: B 🗳️
Explanation: Only visible for RealExamFree members. You can sign-up / login (it's free).
Which of the following operations does not need to be performed when a network engineer handles a single- hop BFD session down event?
- A. Running the display current-configuration configuration bfd command to check whether the local and remote discriminators at the two ends match.
- B. Running the display ip routing-table command to check whether the static route, if bound to the BFD session, exists in the routing table.
- C. Running the display bfd statistics session all command several times to check statistics about the packets sent and received by the BFD session.
- D. Pinging the link of the BFD session to check whether packets can be properly forwarded.
Correct Answer: B 🗳️
Explanation: Only visible for RealExamFree members. You can sign-up / login (it's free).
On the OSPF network shown in the figure, area 1 is an NSSA, area 2 is a stub area, and R4 imports an external route 10.0.4.4/32. The router ID of each router is 10.0.X.X, where X is the router number. The asbr- summary 10.0.4.0 255.255.255.0 command is configured in the OSPF processes of R1 and R3.
Match the following descriptions of routing tables with the corresponding routers:
Correct Answer:
Explanation:
Comprehensive and Detailed In-Depth Explanation:
Key OSPF Concepts to Consider:
* Area 1 is an NSSA (Not-So-Stubby Area):
* NSSAs allow external routes but advertise them as Type-7 LSAs.
* The ABR (R2) converts these Type-7 LSAs into Type-5 LSAs for the backbone (Area 0).
* Area 2 is a Stub Area:
* Stub areas do not allow external routes (Type-5 LSAs).
* This means that R5 (inside Area 2) will NOT receive external routes like 10.0.4.4/32 or 10.0.4.0
/24.
* Effect of asbr-summary 10.0.4.0 255.255.255.0 on R1 and R3:
* This command ensures that R1 and R3 will see a summarized route 10.0.4.0/24 instead of specific /32 routes.
Routing Table Analysis:
* R1 (ABR for NSSA, with ASBR summary configured)
* Connected to Area 1 (NSSA) and Area 0 (Backbone)
* Since asbr-summary 10.0.4.0 255.255.255.0 is configured on R1, it contains both 10.0.4.4/32 (from R4) and the summarized 10.0.4.0/24.
* # Matches Option 4: The routing table contains both 10.0.4.4/32 and 10.0.4.0/24.
* R5 (Inside Area 2 - Stub Area)
* Stub areas do not receive external routes (Type-5 LSAs).
* Since R5 is inside a stub area, it does not contain 10.0.4.4/32 or 10.0.4.0/24.
* # Matches Option 3: The routing table does not contain 10.0.4.4/32 or 10.0.4.0/24.
* R2 (ABR between NSSA and Backbone, but no ASBR summary configured)
* R2 converts Type-7 LSAs from R4 into Type-5 LSAs and advertises them into Area 0.
* Since no ASBR summary is configured on R2, it only sees the specific external route 10.0.4.4/32 but not the summarized 10.0.4.0/24.
* # Matches Option 1: The routing table contains 10.0.4.4/32 only.
* R3 (Another ABR with ASBR summary configured)
* R3 has asbr-summary 10.0.4.0 255.255.255.0 configured, which means it will summarize the external routes.
* Instead of 10.0.4.4/32, R3 will only have the summarized 10.0.4.0/24 route.
* # Matches Option 2: The routing table contains 10.0.4.0/24 only.
References:
HCIP-Datacom-Advanced Routing & Switching Technology V1.0 - OSPF Areas (Stub, NSSA, and Backbone) OSPF External Route Advertisement and Summarization OSPF NSSA Behavior and Type-7 to Type-5 Conversion
In the hub-spoke networking shown in the figure, the Hub-PE can be configured to allow repetitive local AS numbers for correct route transmission.
Is this statement TRUE or FALSE?
Options:
- A. FALSE
- B. TRUE
Correct Answer: B 🗳️
Explanation: Only visible for RealExamFree members. You can sign-up / login (it's free).
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