Huawei H12-891_V1.0 Q&A - in .pdf

  • H12-891_V1.0 pdf
  • Exam Code: H12-891_V1.0
  • Exam Name: HCIE-Datacom V1.0
  • Updated: Oct 17, 2026
  • Q & A: 323 Questions and Answers
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  • Exam Code: H12-891_V1.0
  • Exam Name: HCIE-Datacom V1.0
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  • Updated: Oct 17, 2026
  • Q & A: 323 Questions and Answers
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Huawei H12-891_V1.0 Q&A - Testing Engine

  • H12-891_V1.0 Testing Engine
  • Exam Code: H12-891_V1.0
  • Exam Name: HCIE-Datacom V1.0
  • Updated: Oct 17, 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%- 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
            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. Network slicing and service bearing
                  • 2. SRv6 principles and deployment
                    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. Campus network management and operation
                          • 2. WLAN planning and deployment
                            • 3. User access management and security
                              Advanced Routing and Switching Technologies37%- Advanced Switching Technologies
                              • 1. Multicast routing and deployment
                                • 2. VXLAN and EVPN principles and application
                                  • 3. Ethernet protection and reliability technologies
                                    - Advanced Routing Protocols
                                    • 1. IS-IS protocol principles and deployment
                                      • 2. OSPF advanced features and optimization
                                        • 3. BGP route control, policy and deployment
                                          - Network Quality and Optimization
                                          • 1. QoS mechanism and deployment
                                            • 2. Traffic engineering and MPLS technology
                                              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 security and isolation design
                                                    • 2. WAN link reliability and load balancing

                                                      Huawei HCIE-Datacom V1.0 Sample Questions:

                                                      Question #1

                                                      Which of the following is the type of northbound API used by iMaster NCE-WAN?

                                                      • A. CLI
                                                      • B. SNMP
                                                      • C. NETCONF
                                                      • D. RESTful
                                                      Reveal Solution  Discussion  0

                                                      Correct Answer: D  🗳️

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                                                      Question #2

                                                      When a client invokes the iMaster NCE-Campus RESTful API, it sends an HTTP request. The server then returns the status code 401.
                                                      Which of the following errors has occurred?

                                                      • A. Unauthorized.
                                                      • B. The service is unavailable.
                                                      • C. The requested resource does not exist.
                                                      • D. Access denied.
                                                      Reveal Solution  Discussion  0

                                                      Correct Answer: A  🗳️

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                                                      Question #3

                                                      The BGP ORF function can be used to control the maximum number of routes that can be sent by a BGP peer. To achieve this, which of the following tools is used to send such a route list to BGP peers?

                                                      • A. Route-policy
                                                      • B. Filter-policy
                                                      • C. ACL
                                                      • D. IP prefix-list
                                                      Reveal Solution  Discussion  0

                                                      Correct Answer: D  🗳️

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                                                      Question #4

                                                      Which of the following statements are correct about the command:
                                                      ping -aX -cY -sZ -vpn-instance M 10.5.16.2

                                                      • A. The ping packets belong to VPN instance M.
                                                      • B. During the ping operation, the quantity of ICMP Request packets is Y.
                                                      • C. The size of each ICMP Request packet for the ping operation is Z bytes.
                                                      • D. The source IP address of the ping packets is X.
                                                      Reveal Solution  Discussion  0

                                                      Correct Answer: A,B,C,D  🗳️

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                                                      Question #5

                                                      gRPC (Google Remote Procedure Call) is a language-neutral, platform-neutral, and open-source remote RPC system that supports unary RPCs and streaming RPCs.
                                                      Which of the following service methods are NOT supported by gRPC?

                                                      • A. rpc Subscribe(SubsArgs) stream returns(SubsReply) {};
                                                      • B. rpc Cancel(CancelArgs) returns(CancelReply) {};
                                                      • C. rpc stream LotsOfGreetings(HelloRequest) returns (HelloResponse) {};
                                                      • D. rpc dataPublish(stream serviceArgs) returns(stream serviceArgs) {};
                                                      Reveal Solution  Discussion  0

                                                      Correct Answer: C,D  🗳️

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