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

  • Exam Code: H12-891_V1.0
  • Exam Name: HCIE-Datacom V1.0
  • Updated: Oct 06, 2026
  • Q & A: 323 Questions and Answers

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Huawei H12-891_V1.0 Exam Syllabus Topics:

SectionWeightObjectives
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 security and isolation design
        • 2. WAN link reliability and load balancing
          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
                - Advanced Routing Protocols
                • 1. BGP route control, policy and deployment
                  • 2. IS-IS protocol principles and deployment
                    • 3. OSPF advanced features and optimization
                      - Network Quality and Optimization
                      • 1. QoS mechanism and deployment
                        • 2. Traffic engineering and MPLS technology
                          Network Automation Technologies and Practice17%- Huawei Automation Solutions
                          • 1. eSight and iMaster NCE tools
                            • 2. Configuration automation and deployment
                              • 3. API-based network operation and maintenance
                                - Automation Foundation
                                • 1. Network programming basis and protocols
                                  • 2. YANG model and data modeling
                                    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
                                            Campus Network Planning and Deployment23%- Campus Network Architecture Design
                                            • 1. CloudCampus solution architecture and features
                                              • 2. Typical campus network structure and design principles
                                                - Campus Network Service Deployment
                                                • 1. Campus network management and operation
                                                  • 2. User access management and security
                                                    • 3. WLAN planning and deployment

                                                      Huawei HCIE-Datacom V1.0 Sample Questions:

                                                      Question #1

                                                      With telemetry, certain data can be sampled based on specific sampling paths. Which of the following sampling paths are supported by telemetry?

                                                      • A. Information about the optical module on an interface
                                                      • B. CPU information
                                                      • C. Interface statistics
                                                      • D. Memory information
                                                      Reveal Solution  Discussion  0

                                                      Correct Answer: B,C,D  🗳️

                                                      Explanation: Only visible for BraindumpsPrep members. You can sign-up / login (it's free).

                                                      Question #2

                                                      Fill in Blank
                                                      On a VXLAN-based virtualized network, if the fabric networking mode is centralized gateway networking, the gateway is located on the _____ device. (Capitalize the first letter.)

                                                      Reveal Solution  Discussion  0

                                                      Correct Answer:

                                                      SpineInVXLANcentralizedgatewaynetworking
                                                      Explanation:
                                                      SpineIn VXLAN centralized gateway networking, the default gateway (for both intra- and inter-subnet traffic) is placed on the Spine node, which acts as a centralized gateway device.This architecture simplifies routing and enables centralized control for inter-VNI routing. It is often contrasted with distributed gateway mode, where gateways reside on leaf nodes.Huawei Datacom Reference:"In centralized gateway mode, the spine node functions as the gateway and processes both inter-VNI routing and gateway services."(Source: HCIE-Datacom V1.0 Official Training - VXLAN & Fabric Networking Chapter, Section: VXLAN Gateway Deployment Modes)

                                                      Question #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. T1 is allocated by P2.
                                                      • B. T1 is allocated by RR2.
                                                      • C. V1 is allocated by PE1.
                                                      • D. V1 is allocated by P2.
                                                      Reveal Solution  Discussion  0

                                                      Correct Answer: A,C  🗳️

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                                                      Question #4

                                                      On the bearer WAN shown in the figure, SR (Segment Routing) is deployed, and the controller is used to compute paths. Drag network technologies on the left to the corresponding application locations on the right.

                                                      Reveal Solution  Discussion  0

                                                      Correct Answer:

                                                      Question #5

                                                      During the migration test, which of the following indicates that the test is completed?

                                                      • A. Command outputs are correct.
                                                      • B. Tested upper-layer application services are running properly on the network.
                                                      • C. The network is running properly.
                                                      • D. Tested network services are running properly.
                                                      Reveal Solution  Discussion  0

                                                      Correct Answer: B  🗳️

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