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Huawei H12-831_V1.0-ENU

H12-831_V1.0-ENU

Exam Code: H12-831_V1.0-ENU

Exam Name: HCIP-Datacom-Advanced Routing & Switching Technology V1.0

Updated: Aug 13, 2026

Q & A: 211 Questions and Answers

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Huawei H12-831_V1.0-ENU Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Network Cutover7%- Pre-cutover verification
- Post-cutover validation
- Implementation and rollback strategy
- Cutover planning and risk assessment
Topic 2: Network Troubleshooting10%- Switching and link fault handling
- Performance and service fault resolution
- Routing protocol fault diagnosis
- Structured troubleshooting methodology
Topic 3: Advanced BGP Features10%- BGP multi-homing and load balancing
- Routing policies and filtering
- Route reflectors and confederations
- BGP route selection and attributes
Topic 4: MPLS Technologies19%- MPLS OAM and protection
- MPLS VPN (L3VPN, L2VPN)
- LDP and RSVP-TE protocols
- MPLS fundamentals and label distribution
Topic 5: Advanced Ethernet Technologies10%- Port isolation and security features
- QinQ and VLAN mapping
- Ethernet link aggregation and reliability
- VLAN aggregation and MUX VLAN
Topic 6: Advanced IGP Features17%- OSPF advanced features
  • 1. Fast convergence technologies
    • 2. Special area types and applications
      • 3. Route summarization and filtering
        - IS-IS advanced features
        • 1. Convergence optimization
          • 2. Level-1/Level-2 routing control
            • 3. Route aggregation
              Topic 7: IPv6 Routing20%- IPv6 address planning and configuration
              - OSPFv3 and IS-IS for IPv6
              - BGP4+ for IPv6
              - Transition mechanisms (dual-stack, tunnel, translation)
              Topic 8: Network O&M7%- Log and alarm management
              - Routine maintenance procedures
              - Configuration management and backup
              - Network monitoring and performance analysis

              Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions:

              1. On a PIM-SM multicast network, a network engineer finds that multicast clients cannot receive multicast data. Which of the following is not a possible cause of this problem?

              A) The RP addresses of multicast devices are different.
              B) The unicast routes from multicast devices to the RP are unavailable.
              C) Downstream interfaces of multicast devices are disabled from forwarding State-Refresh messages.
              D) The downstream interfaces of multicast devices do not receive any (*, G) Join messages.


              2. To protect a device against the attacks of forged BGP messages, you can configure GTSM to check whether the TTL value in the IP message header is within the specified range. If the peer x.x.x.x valid-ttl-hops 100 command is configured on a device, the valid TTL value range of the detected message is [155, 255].

              A) FALSE
              B) TRUE


              3. The figure shows the Router-LSA generated by a router. Which of the following statements are true based on the LSA?

              A) The router is an ASBR.
              B) At least one interface on the router belongs to a stub area.
              C) At least one interface on the router belongs to area 0.
              D) The router is an ABR.


              4. On the OSPFv3 network shown in the figure, area 1 is a stub area. Which of the following statements are true?

              A) Both R1 and R2 generate Intra-Area-Prefix-LSAs.
              B) Both R1 and R2 generate Inter-Area-Prefix-LSAs.
              C) Both R1 and R2 generate Network-LSAs.
              D) Default routes exist in the routing tables of R1 and R2.


              5. On the OSPF network shown in the figure, area 1 and area 2 are common areas . The IP address of Loopback0 on R5 is 10.0.5.5/32 , and OSPF is enabled on this interface . If the abr-summary 10.0.5.0
              255.255.255.0 command is run in area 2 (where R1 resides) , which of the following routers have the route
              10.0.5.0/24 in their routing tables?

              A) R5
              B) R4
              C) R2
              D) R3


              Solutions:

              Question # 1
              Answer: C
              Question # 2
              Answer: A
              Question # 3
              Answer: C,D
              Question # 4
              Answer: A,D
              Question # 5
              Answer: C,D

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