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Huawei H12-891_V1.0

H12-891_V1.0

Exam Code: H12-891_V1.0

Exam Name: HCIE-Datacom V1.0

Updated: Oct 06, 2026

Q&A Number: 323 Q&As

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Huawei H12-891_V1.0 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Network Automation Technologies and Practice17%- Huawei Automation Solutions
  • 1. API-based network operation and maintenance
    • 2. Configuration automation and deployment
      • 3. eSight and iMaster NCE tools
        - Automation Foundation
        • 1. YANG model and data modeling
          • 2. Network programming basis and protocols
            Topic 2: Bearer WAN Planning and Deployment15%- High-level Technology Deployment
            • 1. SRv6 principles and deployment
              • 2. Network slicing and service bearing
                - Bearer Network Architecture
                • 1. Typical bearer network structure and requirements
                  • 2. CloudWAN solution and application scenarios
                    Topic 3: 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. WLAN planning and deployment
                          • 2. User access management and security
                            • 3. Campus network management and operation
                              Topic 4: 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. IS-IS protocol principles and deployment
                                      • 2. OSPF advanced features and optimization
                                        • 3. BGP route control, policy and deployment
                                          - Network Quality and Optimization
                                          • 1. Traffic engineering and MPLS technology
                                            • 2. QoS mechanism and deployment
                                              Topic 5: WAN Interconnection Network Planning and Deployment8%- WAN Service Optimization
                                              • 1. WAN security and isolation design
                                                • 2. WAN link reliability and load balancing
                                                  - WAN Interconnection Technologies
                                                  • 1. SD-WAN architecture and Huawei solution
                                                    • 2. Traditional WAN connection technologies

                                                      Huawei HCIE-Datacom V1.0 Sample Questions:

                                                      Question #1
                                                      Which of the following headend behaviors can insert SRHs into IPv6 packets? (Select All that Apply)

                                                      A. H.Encaps.Red
                                                      B. H.Insert
                                                      C. H.Encaps
                                                      D. H.Insert.Red


                                                      Question #2
                                                      To obtain the token ID of iMaster NCE, you need to send an HTTP request message that includes the following Python code to invoke an iMaster NCE RESTful API.
                                                      Which of the following statements is incorrect?
                                                      import requests
                                                      nbi_name = "[email protected]"
                                                      nbi_pwd = "CgocVcVe1@"
                                                      host = "139.9.213.72"
                                                      port = "18002"
                                                      URI = "/controller/v2/tokens"
                                                      post_token_url = "https://" + host + ":" + port + URI
                                                      headers_post = {"Content-Type": "application/json", "Accept": "application/json"} r = requests.post(post_token_url, headers=headers_post, json={"userName": nbi_name, "password": nbi_pwd}, verify=False)

                                                      A. You can run the print(r.json()) command to display the response message sent from the server.
                                                      B. Token resources are located at https://139.9.213.72:18002/controller/v2/tokens.
                                                      C. The HTTP request uses the GET method to query the token value.
                                                      D. The request body is in JSON format.


                                                      Question #3
                                                      During the evolution from OSPFv2 to OSPFv3, LSA formats and functions remain unchanged, except that the network layer addresses in LSAs are changed from IPv4 to IPv6.

                                                      A. TRUE
                                                      B. FALSE


                                                      Question #4
                                                      MACsec can provide secure services during MAC-layer data transmitting and receiving. Which of the following services is not provided by MACsec?

                                                      A. Controllability check
                                                      B. Integrity check
                                                      C. User data encryption
                                                      D. Data source authenticity verification


                                                      Question #5
                                                      What can be determined from the following IS-IS peer output?
                                                      Peer information for ISIS(1):
                                                      Peer System ID: ee8c.a0c2.baf3
                                                      Interface: GE0/0/0
                                                      State: Up
                                                      HoldTime: 7s
                                                      Type: L1
                                                      PRI: 64
                                                      MT IDs supported: 0(UP), 2(UP)
                                                      Local MT IDs: 0, 2
                                                      Area Address(es): 49.0022
                                                      Peer IP Address(es): 10.1.34.1
                                                      Peer IPv6 Address(es): FE80::2E0:FCFF:FE98:2576

                                                      A. Only an IPv4 IS-IS neighbor relationship is established between R4 and ee8c.a0c2.baf3.
                                                      B. Both IPv4 and IPv6 IS-IS neighbor relationships are established between R4 and ee8c.a0c2.baf3.
                                                      C. Only an IPv6 IS-IS neighbor relationship is established between R4 and ee8c.a0c2.baf3.
                                                      D. R4 does not have any IS-IS neighbors.


                                                      Solutions:

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

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