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Huawei H12-891_V1.0 Exam Syllabus Topics:

SectionObjectives
Network Automation and Programmability- SDN and automation
  • 1. NETCONF/YANG basics
    • 2. Network automation tools
      IPv6 and Advanced IP Technologies- IPv6 deployment
      • 1. IPv6 addressing and transition
        Network Security and QoS- Security mechanisms
        • 1. ACL and traffic control
          • 2. Basic network security design
            - QoS mechanisms
            • 1. Traffic classification and shaping
              WAN and VPN Technologies- MPLS fundamentals
              • 1. VPN technologies
                • 2. MPLS LDP and forwarding
                  Routing and Switching Technologies- IP routing protocols
                  • 1. OSPF
                    • 2. IS-IS basics
                      • 3. BGP
                        - Switching technologies
                        • 1. VLAN and STP
                          • 2. Ethernet switching mechanisms
                            Data Center and Virtualization Technologies- VXLAN and overlay networks
                            • 1. Data center network virtualization
                              Enterprise Network Architecture- Network design principles
                              • 1. Scalability and high availability design
                                • 2. Hierarchical network architecture

                                  >> Latest H12-891_V1.0 Exam Labs <<

                                  Latest H12-891_V1.0 Exam Labs - Huawei Realistic Latest HCIE-Datacom V1.0 Exam Labs Pass Guaranteed Quiz

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                                  Huawei HCIE-Datacom V1.0 Sample Questions (Q240-Q245):

                                  NEW QUESTION # 240
                                  On the campus network shown, IPv6 is deployed for service tests. Four routers are deployed on the network, and these routers use OSPFv3 for network connectivity. Which of the following statements about LSAs generated by the OSPFv3 network is incorrect?

                                  Answer: B

                                  Explanation:
                                  Let ' s dissect each option based on OSPFv3 LSA behavior from Huawei HCIE Datacom documentation.
                                  # Option A: Correct
                                  OSPFv3 uses Router LSAs (Type 1) to describe the local interfaces, links, and neighbors.
                                  R1, as part of Area 0, will generate Router-LSAs and receive Router-LSAs from neighbors in the same area (R2 and R3 via switch S1).
                                  Huawei Datacom Reference:
                                  " Each OSPFv3 router originates a Type 1 Router LSA for each area it belongs to. " (Source: HCIE-Datacom Study Guide v3.0 - OSPFv3 Fundamentals)
                                  # Option B: Incorrect (Correct Answer)
                                  Link-LSAs (Type 8) are not sent between routers. They are only generated for each link on which the router has at least one neighbor. These LSAs are only flooded on the local link.
                                  R1 cannot receive two Link-LSAs from R2 about both links. It can only receive the Link-LSA that R2 generates for the shared link with R1. The other link (e.g., to R4 in Area 1) is irrelevant to R1.
                                  Huawei Datacom Reference:
                                  " A Link LSA is generated by a router for each attached link and is sent only to the routers on the same link. " (Source: HCIE-Datacom Study Guide v3.0 - OSPFv3 LSA Types)
                                  # Option C: Correct
                                  On broadcast links, DRs generate Type 2 Network LSAs.
                                  If R3 is the DR on the shared segment (with R1), R1 will have the Network-LSA from R3 in its LSDB.
                                  Huawei Datacom Reference:
                                  " The DR on a broadcast network generates a Type 2 Network LSA to describe all routers on that link. " (Source: HCIE-Datacom Study Guide v3.0 - OSPFv3 LSDB Construction)
                                  # Option D: Correct
                                  R2 connects Area 0 and Area 1, hence it ' s an ABR.
                                  ABRs generate Type 3 Inter-Area-Prefix LSAs to advertise IPv6 prefixes from one area to another.
                                  R2 advertises Area 1 prefixes to Area 0 routers (R1 and R3).
                                  Huawei Datacom Reference:
                                  " Inter-Area-Prefix LSAs (Type 3) are generated by ABRs to advertise IPv6 prefixes from one area into another. " (Source: HCIE-Datacom Study Guide v3.0 - ABR Functionality in OSPFv3)


                                  NEW QUESTION # 241
                                  During WLAN planning and design, channels 1, 6, and 11 are recommended on the 2.4 GHz frequency band, and channels 1, 5, 9, and 13 are recommended in high-density scenarios. On the 5 GHz frequency band, it is recommended thathigh-frequency and low-frequency channels of adjacent APs be staggered to prevent overlapping.

                                  Answer: B

                                  Explanation:
                                  On the2.4 GHzband, onlythree non-overlapping channelsexist:1, 6, and 11.
                                  Inhigh-density WLAN scenarios, channels like1, 5, 9, and 13can be used withlower transmit powerto reduce co-channel interference - though they slightly overlap, they can work in dense deployments when managed properly.
                                  On the5 GHzband, there are many non-overlapping channels. It's recommended tostagger high and low channelsamong adjacent APs toavoid interference.
                                  Correct answer: A. TRUE


                                  NEW QUESTION # 242
                                  Which of the following operations is not involved in the middle phase of a migration?

                                  Answer: C

                                  Explanation:
                                  Network migration typically includes the followingphases:
                                  Preparation Phase:
                                  Network survey
                                  Migration plan design
                                  Backup
                                  Pre-configuration
                                  Middle Phase (Migration Execution):
                                  On-site monitoring
                                  Migration implementation
                                  Service test (to verify the migration effect)
                                  Post-Migration Phase:
                                  Optimization
                                  Documentation
                                  Final acceptance
                                  Hence,Migration preparationis part of theinitial phase, not themiddle phase.
                                  Correct answer: A. Migration preparation
                                  Reference:Huawei HCIE-Datacom V1.0 Study Guide -Chapter: Network MigrationSection: Migration Phases and Process


                                  NEW QUESTION # 243
                                  The following description of the GVRP interface registration mode in Huawei switches is correct?

                                  Answer: C


                                  NEW QUESTION # 244
                                  Regarding BGP's recognized arbitrary attributes, which of the following descriptions is correct?

                                  Answer: C,D


                                  NEW QUESTION # 245
                                  ......

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