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  • Exam Code: H12-891_V1.0
  • Exam Name: HCIE-Datacom V1.0
  • Last Updated: Sep 03, 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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Huawei H12-891_V1.0 Exam Syllabus Topics:

SectionObjectives
Routing and Switching Technologies- IP routing protocols
  • 1. IS-IS basics
    • 2. OSPF
      • 3. BGP
        - Switching technologies
        • 1. VLAN and STP
          • 2. Ethernet switching mechanisms
            Enterprise Network Architecture- Network design principles
            • 1. Hierarchical network architecture
              • 2. Scalability and high availability design
                WAN and VPN Technologies- MPLS fundamentals
                • 1. VPN technologies
                  • 2. MPLS LDP and forwarding
                    Network Security and QoS- QoS mechanisms
                    • 1. Traffic classification and shaping
                      - Security mechanisms
                      • 1. Basic network security design
                        • 2. ACL and traffic control
                          IPv6 and Advanced IP Technologies- IPv6 deployment
                          • 1. IPv6 addressing and transition
                            Network Automation and Programmability- SDN and automation
                            • 1. Network automation tools
                              • 2. NETCONF/YANG basics
                                Data Center and Virtualization Technologies- VXLAN and overlay networks
                                • 1. Data center network virtualization

                                  Huawei HCIE-Datacom V1.0 Sample Questions:

                                  Question 1

                                  Which of the following methods can be used to establish IPsec SAs? (Select All that Apply)

                                  A. Establish IPsec SAs through template negotiation
                                  B. Establish IPsec SAs through certificate negotiation
                                  C. Establish IPsec SAs in IKE auto-negotiation mode
                                  D. Manually establish IPsec SAs


                                  Question 2

                                  In the LDP session establishment process, the initiator sends an Initialization message for parameter negotiation. Which message will be sent by the responder if it does not accept negotiation parameters?

                                  A. Keepalive Message
                                  B. Initialization Message
                                  C. Error Notification Message
                                  D. Hello Message


                                  Question 3

                                  Which of the following statements about 802.1X authentication are correct?

                                  A. EAPoL implements EAP encapsulation on an IEEE 802.3 network, whereas EAPoW implements EAP encapsulation on an IEEE 802.11 network.
                                  B. 802.1X authentication uses EAPoL to exchange authentication information between the client, device, and authentication server.
                                  C. In EAP relay mode, EAP packets are directly encapsulated by the network access device into RADIUS packets (that is, EAP over RADIUS, or EAPoR). The network access device and AAA server use EAPoR to perform authentication, authorization, and accounting.
                                  D. In EAP termination mode, EAP packets are terminated and re-encapsulated into RADIUS packets on the network access device. The network access device and AAA server use the standard RADIUS protocol to implement authentication, authorization, and accounting.


                                  Question 4

                                  During telemetry static subscription, the NMS delivers subscription configuration to devices for data sampling. Which of the following statements is incorrect about the sampling path huawei-debug:debug/cpu-infos/cpu-info?

                                  A. cpu-info may be a list node of the YANG model.
                                  B. cpu-infos may be a container node of the YANG model.
                                  C. debug may be the top node of the YANG model.
                                  D. The sampling path uses the YANG model structure.


                                  Question 5

                                  Telemetry is a technology that remotely collects data from physical or virtual devices at high speed, and has a layered protocol stack. Which of the following layers is not included in the telemetry protocol stack?

                                  A. Communication layer
                                  B. Data analysis layer
                                  C. Data encoding layer
                                  D. Transport layer


                                  Solutions:

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

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