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

  • Exam Code: H12-891_V1.0-ENU
  • Exam Name: HCIE-Datacom V1.0
  • Updated: Aug 11, 2026     Q & A: 611 Questions and Answers

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Huawei H12-891_V1.0-ENU Exam Syllabus Topics:

SectionWeightObjectives
Network Automation17%- Huawei Automation Tools
  • 1. iMaster NCE
    • 2. Scripting and Development
      - Telemetry and Monitoring
      • 1. Telemetry Principles
        • 2. Real-time Data Collection
          - Automation Basics
          • 1. YANG and NETCONF
            • 2. Network Management Protocols
              • 3. RESTCONF and gRPC
                Campus Network Planning and Deployment23%- Campus Network Design
                • 1. Network Segmentation and Isolation
                  • 2. Access, Aggregation and Core Layer Design
                    • 3. WLAN Integration
                      - Campus Network Architecture
                      • 1. Traditional Campus Architecture
                        • 2. CloudCampus Solution Architecture
                          - CloudCampus Deployment
                          • 1. O&M and Troubleshooting
                            • 2. Controller and Device Management
                              • 3. Service Provisioning
                                Bearer WAN Planning and Deployment15%- Bearer WAN Architecture
                                • 1. Carrier-grade Network Requirements
                                  • 2. CloudWAN Solution Architecture
                                    - Deployment and Optimization
                                    • 1. Planning Principles
                                      • 2. Performance Optimization
                                        - CloudWAN Technologies
                                        • 1. SRv6
                                          • 2. High Reliability Design
                                            • 3. Network Slicing
                                              WAN Interconnection Network Planning and Deployment8%- WAN Architecture
                                              • 1. Traditional WAN Technologies
                                                • 2. SD-WAN Architecture
                                                  - SD-WAN Solution
                                                  • 1. Policy and Traffic Steering
                                                    • 2. Overlay and Underlay Design
                                                      • 3. Huawei SD-WAN Components
                                                        Advanced Routing and Switching Technology37%- Advanced Switching Technologies
                                                        • 1. High Availability Technologies
                                                          • 2. Multicast Protocols
                                                            • 3. VXLAN and EVPN
                                                              - QoS and Security
                                                              • 1. QoS Mechanisms
                                                                • 2. Advanced Security Technologies
                                                                  - MPLS and VPN Technologies
                                                                  • 1. MPLS Basics
                                                                    • 2. Traffic Engineering
                                                                      • 3. MPLS L3VPN/L2VPN
                                                                        - Advanced Routing Protocols
                                                                        • 1. IPv6 Transition Technologies
                                                                          • 2. BGP
                                                                            • 3. IS-IS
                                                                              • 4. OSPF and OSPFv3

                                                                                Huawei HCIE-Datacom V1.0 Sample Questions:

                                                                                1. DHCP Relay is responsible for forwarding DHCP packets between the DHCP server and the DHCP client, assisting the DHCP server in dynamically assigning network parameters to the DHCP client.

                                                                                A) FALSE
                                                                                B) TRUE


                                                                                2. The following is the correct description of the aggregation of BGP (radio).

                                                                                A) Routes in the BGP local route table can be manually aggregated.
                                                                                B) After you configure the Aggregate ipv4-address mask, only aggregate routes are published, not detail routes.
                                                                                C) For IPv6 routing, BGP supports manual aggregation and automatic aggregation.
                                                                                D) BGP enables automatic aggregation by default.


                                                                                3. The following statement about isis a route leak of ISIS is correct?

                                                                                A) Route leaks for ISIS must be deployed on Level-1 routers
                                                                                B) Route disclosure for ISIS is turned on by default.
                                                                                C) Route leaks for ISIS can only be applied to IPv4 environments.
                                                                                D) Route disclosure for ISIS avoids suboptimal paths.


                                                                                4. The following description of BGP ring protection is correct

                                                                                A) through the AS-path attribute, discard any update information received from the EBGP peer that contains its own AS number in the AS-path attribute
                                                                                B) The BGP router does not announce any updates from the EBGP peer to other EBGP peers
                                                                                C) Any routing information from the IBGP peer is advertised to the other IBGP peers
                                                                                D) BGP routers that are not RR do not announce any updates from the IBGP peer to other IBGP peers


                                                                                5. You are now troubleshooting a LAN, and you suspect that the error is due to a mismatch in the work mode.
                                                                                Which switch interface error indicates that the 10/100/100O IEE gigabit interface operating mode does not match? (Multiple choice questions).

                                                                                A) Alignment error
                                                                                B) Super Small Frame
                                                                                C) Lag conflicts
                                                                                D) FCS error
                                                                                E) Excess Conflict


                                                                                Solutions:

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

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