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H12-891_V1.0
  • Exam Code: H12-891_V1.0
  • Exam Name: HCIE-Datacom V1.0
  • Updated: Jul 20, 2026
  • No. of Questions: 323 Questions and Answers
  • Download Limit: Unlimited
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Huawei H12-891_V1.0 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Advanced Routing and Switching Technologies37%- Advanced Switching Technologies
  • 1. Multicast routing and deployment
    • 2. Ethernet protection and reliability technologies
      • 3. VXLAN and EVPN principles and application
        - Network Quality and Optimization
        • 1. QoS mechanism and deployment
          • 2. Traffic engineering and MPLS technology
            - Advanced Routing Protocols
            • 1. BGP route control, policy and deployment
              • 2. OSPF advanced features and optimization
                • 3. IS-IS protocol principles and deployment
                  Topic 2: 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
                          Topic 3: Bearer WAN Planning and Deployment15%- High-level Technology Deployment
                          • 1. Network slicing and service bearing
                            • 2. SRv6 principles and deployment
                              - Bearer Network Architecture
                              • 1. Typical bearer network structure and requirements
                                • 2. CloudWAN solution and application scenarios
                                  Topic 4: 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
                                            Topic 5: Campus Network Planning and Deployment23%- Campus Network Service Deployment
                                            • 1. User access management and security
                                              • 2. WLAN planning and deployment
                                                • 3. Campus network management and operation
                                                  - Campus Network Architecture Design
                                                  • 1. Typical campus network structure and design principles
                                                    • 2. CloudCampus solution architecture and features

                                                      Huawei HCIE-Datacom V1.0 Sample Questions:

                                                      1. 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 that high-frequency and low-frequency channels of adjacent APs be staggered to prevent overlapping.

                                                      A) FALSE
                                                      B) TRUE


                                                      2. On an SR-MPLS network, manually configured prefix SIDs on different devices may conflict with each other. Assume that there are four routes (prefix/mask SID) as follows. Which of the following routes will be selected according to the conflict handling principle?

                                                      A) 1.1.1.1/32 2
                                                      B) 1.1.1.1/32 1
                                                      C) 2.2.2.2/32 3
                                                      D) 3.3.3.3/32 1


                                                      3. Exhibit:

                                                      The following figure shows the inter-AS MPLS VPN Option C (solution 2). RRs are deployed, and no traffic passes through the RRs during forwarding. If a data packet sent from PE2 to 192.168.1.1 carries two labels, which of the following statements about the two labels are correct?

                                                      A) V1 is allocated by P2.
                                                      B) T1 is allocated by P2.
                                                      C) V1 is allocated by PE1.
                                                      D) T1 is allocated by RR2.


                                                      4. In the following figure, a GRE tunnel is established between R1 and R2. If the command ping -a 10.1.1.1 10.3.1.1 is run on R1, which of the following statements is correct about the ICMP packet sent by GE0/0/1 of R1?

                                                      A) The packet will be encapsulated using GRE, and the source and destination IP addresses in the outer IP header are 10.0.12.1 and 10.0.12.2, respectively.
                                                      B) The packet will be encapsulated using GRE, and the source and destination IP addresses in the outer IP header are 10.0.12.1 and 10.3.1.1, respectively.
                                                      C) The packet will be encapsulated using GRE, and the source and destination IP addresses in the inner IP header are 10.1.1.1 and 10.3.1.1, respectively.
                                                      D) The packet will be encapsulated using GRE, and the source and destination IP addresses in the inner IP header are 10.1.1.1 and 10.0.12.2, respectively.


                                                      5. In SRv6, each time a packet passes through an SRv6 endpoint node, the Segments Left field value decrements by 1, and the IPv6 DA changes.

                                                      A) FALSE
                                                      B) TRUE


                                                      Solutions:

                                                      Question # 1
                                                      Answer: B
                                                      Question # 2
                                                      Answer: B
                                                      Question # 3
                                                      Answer: B,C
                                                      Question # 4
                                                      Answer: A,C
                                                      Question # 5
                                                      Answer: B

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