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  • Exam Code: H12-891_V1.0
  • Exam Name: HCIE-Datacom V1.0
  • Updated: Aug 01, 2026
  • Q & A: 323 Questions and Answers
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Huawei H12-891_V1.0 Exam Syllabus Topics:

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

                                                      Huawei HCIE-Datacom V1.0 Sample Questions:

                                                      1. Port isolation can be deployed on an Ethernet network to implement both Layer 2 communication and Layer 3 isolation, making the networking more flexible.

                                                      A) TRUE
                                                      B) FALSE


                                                      2. As shown in the following figure, an engineer tests network interconnection between two branches. To implement network interconnection, OSPF is deployed on R1, R2, and R3 of branch 1, and IS-IS is deployed on R2, R3, and R4 of branch 2. Which of the following operations needs to be performed to allow R1 to access R4's loopback interface address?

                                                      A) No configuration is required.
                                                      B) Run the default-route-advertise command only in the OSPF view on R2.
                                                      C) Run the default-route-advertise command only in the IS-IS view on R2.
                                                      D) Run the default-route-advertise command in both the OSPF and IS-IS views on R2.


                                                      3. Huawei Open Programmability System (OPS) uses standard HTTP methods to access managed objects and manage network devices.
                                                      Which of the following HTTP methods is used to configure the value of a network device's managed object?

                                                      A) POST
                                                      B) PUT
                                                      C) GET
                                                      D) PATCH


                                                      4. Fill in Blank
                                                      As shown in the figure, when PE1 receives an ARP request packet, it forwards the packet to PE4. The packet then carries two labels. The label value 201 is carried by the EVPN Type ____ route. (Enter only digits.)


                                                      5. 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 can defend against IP address spoofing attacks.
                                                      D) IPSG is a source IP address filtering technology based on Layer 3 interfaces.


                                                      Solutions:

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

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