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Huawei H12-891_V1.0

H12-891_V1.0

Exam Code: H12-891_V1.0

Exam Name: HCIE-Datacom V1.0

Updated: Oct 10, 2026

Q&A Number: 323 Q&As

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Huawei H12-891_V1.0 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: 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. Traditional WAN connection technologies
        • 2. SD-WAN architecture and Huawei solution
          Topic 2: Network Automation Technologies and Practice17%- Automation Foundation
          • 1. Network programming basis and protocols
            • 2. YANG model and data modeling
              - Huawei Automation Solutions
              • 1. eSight and iMaster NCE tools
                • 2. Configuration automation and deployment
                  • 3. API-based network operation and maintenance
                    Topic 3: Campus Network Planning and Deployment23%- Campus Network Service Deployment
                    • 1. Campus network management and operation
                      • 2. User access management and security
                        • 3. WLAN planning and deployment
                          - Campus Network Architecture Design
                          • 1. CloudCampus solution architecture and features
                            • 2. Typical campus network structure and design principles
                              Topic 4: Bearer WAN Planning and Deployment15%- High-level Technology Deployment
                              • 1. Network slicing and service bearing
                                • 2. SRv6 principles and deployment
                                  - Bearer Network Architecture
                                  • 1. CloudWAN solution and application scenarios
                                    • 2. Typical bearer network structure and requirements
                                      Topic 5: Advanced Routing and Switching Technologies37%- Advanced Routing Protocols
                                      • 1. IS-IS protocol principles and deployment
                                        • 2. BGP route control, policy and deployment
                                          • 3. OSPF advanced features and optimization
                                            - Network Quality and Optimization
                                            • 1. QoS mechanism and deployment
                                              • 2. Traffic engineering and MPLS technology
                                                - Advanced Switching Technologies
                                                • 1. VXLAN and EVPN principles and application
                                                  • 2. Ethernet protection and reliability technologies
                                                    • 3. Multicast routing and deployment

                                                      Huawei HCIE-Datacom V1.0 Sample Questions:

                                                      Question #1
                                                      Which of the following statements is correct about 6PE and 6VPE?

                                                      A. In 6PE networking, VPN instances need to be created on PEs.
                                                      B. In 6VPE networking, IPv6 addresses of a CE can be reused.
                                                      C. In 6VPE networking, no VPN instance needs to be created on PEs.
                                                      D. In 6PE networking, IPv6 addresses of a CE can be reused.


                                                      Question #2
                                                      Which of the following statements about VXLAN principles is incorrect?

                                                      A. VXLAN packets are forwarded through routes on the underlay network, and the MAC address of the terminal in the inner data frame is not considered during underlay forwarding.
                                                      B. VXLAN uses MAC-in-UDP encapsulation to encapsulate Ethernet packets into UDP packets and thereby extend Layer 2 networks.
                                                      C. When VXLAN is deployed, in addition to devices at both ends of a VXLAN tunnel, intermediate forwarding devices are also required to support VXLAN. Otherwise, VXLAN packets cannot be forwarded.
                                                      D. VXLAN can be deployed on campus networks to implement Layer 2 and Layer 3 communication.


                                                      Question #3
                                                      An O&M platform mainly provides unified monitoring and performance management for network devices. Which of the following is NOT device monitoring data?

                                                      A. Management-plane data
                                                      B. Data-plane data
                                                      C. Control-plane data
                                                      D. Monitoring-plane data


                                                      Question #4
                                                      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 generates Router-LSAs describing interface information and receives Router-LSAs generated by R2 and R3.
                                                      D. R1 receives two Link-LSAs generated by R2. The two Link-LSAs describe information about the two links connected to R2.


                                                      Question #5
                                                      A carrier's home broadband service requires a maximum downstream bandwidth of 100 Mbit/s during off-peak hours and a guaranteed downstream bandwidth of 50 Mbit/s during peak hours. The home broadband service includes the home IP phone service and the home Internet access service. Which of the following configurations best meets the service requirement?

                                                      A. qos car inbound cir 100000
                                                      B. qos car inbound cir 50000 pir 100000
                                                      C. qos gts cir 100000
                                                      D. qos car inbound cir 100000 pir 50000


                                                      Solutions:

                                                      Question #1
                                                      Correct Answer: B
                                                      Question #2
                                                      Correct Answer: C
                                                      Question #3
                                                      Correct Answer: D
                                                      Question #4
                                                      Correct Answer: D
                                                      Question #5
                                                      Correct Answer: B

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