Huawei H12-891_V1.0 : HCIE-Datacom V1.0

H12-891_V1.0 real exams

Exam Code: H12-891_V1.0

Exam Name: HCIE-Datacom V1.0

Updated: Aug 14, 2026

Q & A: 323 Questions and Answers

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Huawei H12-891_V1.0 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: 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
            Topic 2: Advanced Routing and Switching Technologies37%- Advanced Routing Protocols
            • 1. BGP route control, policy and deployment
              • 2. IS-IS protocol principles and deployment
                • 3. OSPF advanced features and optimization
                  - Advanced Switching Technologies
                  • 1. Ethernet protection and reliability technologies
                    • 2. VXLAN and EVPN principles and application
                      • 3. Multicast routing and deployment
                        - Network Quality and Optimization
                        • 1. QoS mechanism and deployment
                          • 2. Traffic engineering and MPLS technology
                            Topic 3: 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
                                    Topic 4: WAN Interconnection Network Planning and Deployment8%- WAN Service Optimization
                                    • 1. WAN link reliability and load balancing
                                      • 2. WAN security and isolation design
                                        - WAN Interconnection Technologies
                                        • 1. SD-WAN architecture and Huawei solution
                                          • 2. Traditional WAN connection technologies
                                            Topic 5: 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. Network programming basis and protocols
                                                    • 2. YANG model and data modeling

                                                      Huawei HCIE-Datacom V1.0 Sample Questions:

                                                      1. Fill in Blank
                                                      AH is an IP-based transport-layer protocol. The protocol number is _____. (Enter only digits.) Expalanation:
                                                      (Authentication Header) is part of the IPsec protocol suite, used to provide integrity and authentication for IP packets.It is defined by RFC 4302 and uses its own protocol number within the IP header.The protocol number for AH is officially assigned by IANA (Internet Assigned Numbers Authority).According to the IANA registry:Protocol Number for AH = 51This protocol number is used in the IP header's "Protocol" field to indicate the next protocol is AH.Correct answer: 51


                                                      2. An SRv6 Policy can be either statically configured on a device or dynamically generated by the controller and then delivered to the device.

                                                      A) TRUE
                                                      B) FALSE


                                                      3. Which of the following statements does not cause the flapping of a VRRP group?

                                                      A) Flapping on the link transmitting VRRP Advertisement packets
                                                      B) Inconsistent preemption delay settings
                                                      C) Packet loss on an interface of the backup device
                                                      D) Too small interval between Advertisement packet transmissions


                                                      4. NETCONF provides a set of mechanisms for managing network devices. NETCONF operations take place on a configuration datastore of network devices. Which of the following statements is incorrect about the configuration datastore?

                                                      A) The <validate> operation is oriented at the candidate configuration datastore.
                                                      B) The configuration datastore of network devices can be classified into the candidate, running, and startup configuration datastores.
                                                      C) The <delete-config> operation is oriented at the startup configuration datastore.
                                                      D) The <commit> operation submits the configuration in a startup configuration datastore to a running configuration datastore.


                                                      5. On the campus network shown, IPv6 is deployed for service tests. Four routers are deployed on the network, and OSPFv3 is used for IPv6 network connectivity. An engineer checks the LSDB of R2 and obtains a Link-LSA. Which of the following statements about the LSA are correct?

                                                      A) This LSA is generated by R2.
                                                      B) The IPv6 address prefix of R2's GE0/0/0 is 2001:DB8:2345:23::/64.
                                                      C) This LSA indicates that R2 does not support external routes but can participate in IPv6 route calculation.
                                                      D) The link-local address of R2's GE0/0/0 is FE80::2E0:FCFF:FECD:4F79.


                                                      Solutions:

                                                      Question # 1
                                                      Answer: Only visible for members
                                                      Question # 2
                                                      Answer: A
                                                      Question # 3
                                                      Answer: B
                                                      Question # 4
                                                      Answer: D
                                                      Question # 5
                                                      Answer: A,B,D

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