H12-831_V1.0 Valid Exam Pdf - Test H12-831_V1.0 Dates

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Huawei H12-831_V1.0 Exam Syllabus Topics:

SectionObjectives
MPLS and VPN Technologies- VPN technologies
  • 1. L3VPN architecture
    • 2. L2VPN principles
      - MPLS fundamentals
      • 1. Label switching mechanism
        • 2. LDP basics
          IPv6 and Network Services- IPv6 routing technologies
          • 1. IPv6 addressing and routing
            • 2. Transition mechanisms
              - Network services
              • 1. DHCP and NAT concepts
                • 2. Network security basics
                  Network Design and Troubleshooting- Troubleshooting methods
                  • 1. Fault isolation techniques
                    • 2. Performance optimization
                      - Enterprise network design
                      • 1. Redundancy and reliability design
                        • 2. Hierarchical network design
                          BGP and Internet Routing- Advanced BGP features
                          • 1. Route reflection
                            • 2. Confederation
                              - BGP fundamentals
                              • 1. Route policies and attributes
                                • 2. BGP path selection
                                  Advanced Routing Protocols- OSPF Advanced Concepts
                                  • 1. Route calculation and optimization
                                    • 2. LSA types and area types
                                      - IS-IS Routing Protocol
                                      • 1. IS-IS topology and levels
                                        • 2. IS-IS configuration and troubleshooting

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                                          Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions (Q59-Q64):

                                          NEW QUESTION # 59
                                          Link LSAs of OSPFv3 are propagated throughout the area.

                                          Answer: B


                                          NEW QUESTION # 60
                                          An enterprise enables BFD for OSPF on Huawei devices to achieve sub-second convergence.
                                          After enabling BFD, OSPF sessions begin to flap frequently. Which parameter should be adjusted first to improve stability?

                                          Answer: B


                                          NEW QUESTION # 61
                                          BGP routing policies can control the advertisement and reception of routes.

                                          Answer: B


                                          NEW QUESTION # 62
                                          On the OSPFv3 network shown in the figure, area 1 is a common area. R2 generates an Inter-Area-Prefix- LSA to describe the routes of a network segment in the area. Such an LSA exists in both area 0 and area 1.

                                          Answer: B

                                          Explanation:
                                          Comprehensive and Detailed In-Depth Explanation:To determine whether the statement is true or false, we need to analyze the OSPFv3 topology, the role of area types, and the behavior of Inter-Area-Prefix-LSAs. Let' s break it down step by step:
                                          * Understanding the OSPFv3 Topology and Area Types:
                                          * The figure shows three routers (R1, R2, and R3) connected in an OSPFv3 network. R1 and R2 are in Area 0 (the backbone area), while R2 and R3 are in Area 1 (a common area, also known as a standard or regular area).
                                          * R2 is an Area Border Router (ABR) because it connects Area 0 and Area 1. ABRs are responsible for summarizing and advertising routes between areas.
                                          * What is a Common Area in OSPFv3?:
                                          * A "common area" in OSPFv3 refers to a standard or regular OSPF area, as opposed to special areas like Stub, Totally Stubby, Not-So-Stubby Area (NSSA), or Totally NSSA. Common areas allow all types of LSAs, including inter-area, intra-area, and external LSAs, to be flooded within the area, except for restrictions in special area types.
                                          * Since Area 1 is described as a "common area," it behaves like a standard OSPF area, allowing the full exchange of LSAs, including Inter-Area-Prefix-LSAs.
                                          * Role of Inter-Area-Prefix-LSA (Type 3 LSA in OSPFv3):
                                          * Inter-Area-Prefix-LSAs (Type 3 LSAs in OSPFv3) are used by ABRs to advertise prefixes from one area to another. These LSAs are critical for inter-area routing, allowing routers in one area to learn about networks in other areas.
                                          * In this case, R2, as an ABR, generates Inter-Area-Prefix-LSAs to describe routes (network segments) in Area 1 and advertises them into Area 0. Conversely, R2 also receives Inter-Area- Prefix-LSAs from Area 0 (via R1) and advertises them into Area 1.
                                          * Does the Inter-Area-Prefix-LSA Exist in Both Area 0 and Area 1?:
                                          * Yes, Inter-Area-Prefix-LSAs exist in both areas because R2, as an ABR, floods these LSAs into both Area 0 and Area 1. Specifically:
                                          * R2 generates Inter-Area-Prefix-LSAs for network segments in Area 1 and advertises them into Area 0, where R1 (in Area 0) can receive and process them.
                                          * Similarly, R2 receives Inter-Area-Prefix-LSAs for network segments in Area 0 (from R1) and advertises them into Area 1, where R3 (in Area 1) can receive and process them.
                                          * Since Area 1 is a common area (not a stub or NSSA), it allows Inter-Area-Prefix-LSAs to be flooded within the area, ensuring that routers like R3 can learn about routes in Area 0, and routers like R1 can learn about routes in Area 1.
                                          * Verifying the Statement:
                                          * The statement claims that R2 generates an Inter-Area-Prefix-LSA to describe the routes of a network segment in Area 1, and such an LSA exists in both Area 0 and Area 1. This is accurate because:
                                          * R2, as an ABR, generates Inter-Area-Prefix-LSAs for Area 1's network segments and floods them into Area 0.
                                          * R2 also receives and floods Inter-Area-Prefix-LSAs from Area 0 into Area 1.
                                          * Therefore, Inter-Area-Prefix-LSAs describing routes in Area 1 exist in both Area 0 and Area 1, making the statement true.
                                          * Conclusion:
                                          * The statement is true because Inter-Area-Prefix-LSAs generated by R2 for Area 1's network segments are flooded into both Area 0 and Area 1, and Area 1, being a common area, allows these LSAs to exist within it.
                                          References to HCIP-Datacom-Advanced Routing & Switching Technology Documents:
                                          * HCIP-Datacom-Advanced Routing & Switching Technology V1.0, Section on OSPFv3: OSPF Area Types, Inter-Area Routing, and LSA Types (specifically Inter-Area-Prefix-LSA, Type 3 LSA).
                                          * HCIP-Datacom-Advanced Routing & Switching Technology V1.0, Chapter on OSPF Routing Protocols: ABR Behavior, Common Areas, and LSA Flooding Mechanisms.


                                          NEW QUESTION # 63
                                          According to this picture, what can we judge? (Multiple choice)

                                          Answer: B,C


                                          NEW QUESTION # 64
                                          ......

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