Huawei : H12-891_V1.0 Questions & Answers

Last Updated: Sep 15, 2026

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Huawei H12-891_V1.0 Exam Syllabus Topics:

SectionWeightObjectives
WAN Interconnection Network Planning and Deployment8%- WAN Service Optimization
  • 1. WAN security and isolation design
    • 2. WAN link reliability and load balancing
      - WAN Interconnection Technologies
      • 1. SD-WAN architecture and Huawei solution
        • 2. Traditional WAN connection technologies
          Advanced Routing and Switching Technologies37%- Advanced Routing Protocols
          • 1. OSPF advanced features and optimization
            • 2. IS-IS protocol principles and deployment
              • 3. BGP route control, policy and deployment
                - Network Quality and Optimization
                • 1. Traffic engineering and MPLS technology
                  • 2. QoS mechanism and deployment
                    - Advanced Switching Technologies
                    • 1. Ethernet protection and reliability technologies
                      • 2. VXLAN and EVPN principles and application
                        • 3. Multicast routing and deployment
                          Bearer WAN Planning and Deployment15%- Bearer Network Architecture
                          • 1. CloudWAN solution and application scenarios
                            • 2. Typical bearer network structure and requirements
                              - High-level Technology Deployment
                              • 1. Network slicing and service bearing
                                • 2. SRv6 principles and deployment
                                  Network Automation Technologies and Practice17%- Huawei Automation Solutions
                                  • 1. eSight and iMaster NCE tools
                                    • 2. API-based network operation and maintenance
                                      • 3. Configuration automation and deployment
                                        - Automation Foundation
                                        • 1. YANG model and data modeling
                                          • 2. Network programming basis and protocols
                                            Campus Network Planning and Deployment23%- Campus Network Service Deployment
                                            • 1. Campus network management and operation
                                              • 2. WLAN planning and deployment
                                                • 3. User access management and security
                                                  - Campus Network Architecture Design
                                                  • 1. CloudCampus solution architecture and features
                                                    • 2. Typical campus network structure and design principles

                                                      Huawei HCIE-Datacom V1.0 Sample Questions:

                                                      Question #1

                                                      Which of the following statements regarding OSPF neighbor relationship faults is incorrect?

                                                      • A. For non-DR and non-BDR routers on an Ethernet link, the 2-Way state is acceptable.
                                                      • B. The ExStart state indicates that two neighbor routers have inconsistent MTUs or the same OSPF Router ID (RID).
                                                      • C. The Attempt state indicates that the router does not send unicast Hello packets to configured neighbors.
                                                      • D. The Init state indicates that the router has received Hello packets from its neighbors, but the received Hello packets do not contain the OSPF RID of the receiving router.
                                                      Reveal Solution  Discussion  0

                                                      Correct Answer: C  🗳️

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                                                      Question #2

                                                      Which of the following statements about IPSG is incorrect?

                                                      • A. IPSG can be used to check the validity of IP packets. If IP packets are invalid, the device reports an alarm to an NMS.
                                                      • B. IPSG can be used to prevent hosts from changing IP addresses.
                                                      • C. IPSG is a source IP address filtering technology based on Layer 3 interfaces.
                                                      • D. IPSG can defend against IP address spoofing attacks.
                                                      Reveal Solution  Discussion  0

                                                      Correct Answer: A  🗳️

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                                                      Question #3

                                                      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?

                                                      • A. R2 functions as an area border router (ABR), generates Inter-Area-Prefix-LSAs that describe the IPv6 address prefix of area 1, and advertises these Inter-Area-Prefix-LSAs to R1 and R3.
                                                      • B. The LSDB of R1 contains Network-LSAs generated by R3, indicating that R3 may be the DR on the local link.
                                                      • C. R1 receives two Link-LSAs generated by R2. The two Link-LSAs describe information about the two links connected to R2.
                                                      • D. R1 generates Router-LSAs describing interface information and receives Router-LSAs generated by R2 and R3.
                                                      Reveal Solution  Discussion  0

                                                      Correct Answer: C  🗳️

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                                                      Question #4

                                                      In a scenario where a VXLAN tunnel is dynamically established through BGP EVPN, which of the following fields is not carried in BGP EVPN Type 2 routes?

                                                      • A. L3VNI
                                                      • B. IP Address
                                                      • C. IP Prefix
                                                      • D. L2VNI
                                                      Reveal Solution  Discussion  0

                                                      Correct Answer: C  🗳️

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                                                      Question #5

                                                      NETCONF provides a set of mechanisms for managing network devices. What layers can NETCONF be conceptually partitioned into?

                                                      • A. Secure transport layer, messages layer, operations layer, and content layer
                                                      • B. Encrypted transport layer, messages layer, configuration layer, and content layer
                                                      • C. Secure transport layer, messages layer, configuration layer, and content layer
                                                      • D. Encrypted transport layer, messages layer, operations layer, and content layer
                                                      Reveal Solution  Discussion  0

                                                      Correct Answer: A  🗳️

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