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

  • Exam Code: H12-891_V1.0
  • Exam Name: HCIE-Datacom V1.0
  • Updated: Aug 28, 2026
  • Q & A: 323 Questions and Answers

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Huawei H12-891_V1.0 Exam Syllabus Topics:
SectionWeightObjectives
Advanced Routing and Switching Technologies37%- Network Quality and Optimization
  • 1. QoS mechanism and deployment
    • 2. Traffic engineering and MPLS technology
      - Advanced Switching Technologies
      • 1. Ethernet protection and reliability technologies
        • 2. VXLAN and EVPN principles and application
          • 3. Multicast routing and deployment
            - Advanced Routing Protocols
            • 1. IS-IS protocol principles and deployment
              • 2. BGP route control, policy and deployment
                • 3. OSPF advanced features and optimization
                  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
                          Campus Network Planning and Deployment23%- Campus Network Service Deployment
                          • 1. WLAN planning and deployment
                            • 2. Campus network management and operation
                              • 3. User access management and security
                                - Campus Network Architecture Design
                                • 1. CloudCampus solution architecture and features
                                  • 2. Typical campus network structure and design principles
                                    WAN Interconnection Network Planning and Deployment8%- WAN Interconnection Technologies
                                    • 1. Traditional WAN connection technologies
                                      • 2. SD-WAN architecture and Huawei solution
                                        - WAN Service Optimization
                                        • 1. WAN link reliability and load balancing
                                          • 2. WAN security and isolation design
                                            Network Automation Technologies and Practice17%- Automation Foundation
                                            • 1. YANG model and data modeling
                                              • 2. Network programming basis and protocols
                                                - Huawei Automation Solutions
                                                • 1. Configuration automation and deployment
                                                  • 2. API-based network operation and maintenance
                                                    • 3. eSight and iMaster NCE tools
                                                      Huawei HCIE-Datacom V1.0 Sample Questions:

                                                      Question 1

                                                      YANG is a data modeling language for the definition of data sent over network management protocols such as NETCONF. Which of the following are basic YANG data models? (Select all that Apply)

                                                      A. Tree node
                                                      B. List node
                                                      C. Leaf node
                                                      D. Set node


                                                      Question 2

                                                      HTTP is an application layer protocol for distributed, collaborative, and hypermedia information systems.

                                                      A. FALSE
                                                      B. TRUE


                                                      Question 3

                                                      Which of the following are carried in an HTTP/1.1 response?

                                                      A. Response body
                                                      B. Empty line
                                                      C. Response header
                                                      D. Status line


                                                      Question 4

                                                      Fill in Blank
                                                      Huawei Open Programmability System (OPS) uses HTTP methods to access managed objects to manage network devices. HTTP is the most widely used network transmission protocol on the Internet. By default, which TCP port number is used?


                                                      Question 5

                                                      When MPLS/BGP IP VPN is deployed, which of the following statements is incorrect about BGP route exchange between PEs and CEs?

                                                      A. In a Hub&Spoke scenario, when Hub-CE and Hub-PE run an IGP for communication, EBGP cannot be configured on Spoke-PE or Spoke-CE.
                                                      B. In a scenario where PEs and CEs use BGP to exchange routing information, if two VPN sites have the same private AS number, the AS number replacement function can be used to replace the AS number in a received private network route with any specified AS number. This prevents routes from being discarded because of repeated AS numbers.
                                                      C. When PEs and CEs use BGP to exchange routing information, you do not need to import private network routes to BGP on PEs.
                                                      D. In a CE multi-homing scenario, the BGP AS number replacement function may cause routing loops. BGP SoO can be used to prevent routing loops at a VPN site.


                                                      Solutions:

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

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