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Huawei HCIE-Datacom V1.0 - H12-891_V1.0-ENU real prep

H12-891_V1.0-ENU
  • Exam Code: H12-891_V1.0-ENU
  • Exam Name: HCIE-Datacom V1.0
  • Updated: Sep 22, 2026
  • Q & A: 611 Questions and Answers
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Huawei H12-891_V1.0-ENU Exam Syllabus Topics:

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

                                                                                Huawei HCIE-Datacom V1.0 Sample Questions:

                                                                                Question #1

                                                                                There is an existing router running OSPF connected to Zone 0 and Zone 1 You configured Zone 1 as a stub zone, what classes does LSA that only operates inside Zone 1 include?

                                                                                • A. 1? LSA? 2? LSA
                                                                                • B. 1 LSA,2 LSA 3 LSA
                                                                                • C. I LSA,2 LSA 5 LSA
                                                                                • D. 7? LSA
                                                                                • E. 3? LSA? 4? LSA
                                                                                Reveal Solution  Discussion  0

                                                                                Correct Answer: B  🗳️

                                                                                Question #2

                                                                                Configuration under a certain interface: isis timer hello 5 level-2, the following statement is correct?

                                                                                • A. The CSNP packet sending interval for this interface Level-2 is 5S
                                                                                • B. The level-2 hello packet send interval is 5s
                                                                                • C. The hello packets sent at level-1 and Leve1-2 are both 5s
                                                                                • D. The hello packets sent at level-1 are sent at 5s interval
                                                                                Reveal Solution  Discussion  0

                                                                                Correct Answer: B  🗳️

                                                                                Question #3

                                                                                In the laboratory network, the network is built according to the following topology diagram, SWI is the default configuration, and SW2 disables the switch STP function.

                                                                                • A. SG0/0/2 for WI enters the Discarding state
                                                                                • B. SW2 G0/0/2 enters discarding state
                                                                                • C. SWI's G0/0/1 enters the Discarding state
                                                                                • D. SW2 and G0/0/1 enters the Discarding state
                                                                                • E. No interface is backed up for blocking
                                                                                Reveal Solution  Discussion  0

                                                                                Correct Answer: E  🗳️

                                                                                Question #4

                                                                                Four routers R1, R2, R3, and R4 run IS, and the I5S router type is noted in the diagram. All four routers have an area address of 49001, and looking at the routing table on R1l shows the following results, the reason why R did not reach the route of 1034344

                                                                                • A. R and R4 Zone Planning Errors. The System-ID of
                                                                                • B. The routing policy configured on the ARO filters the System-ID of the default route
                                                                                • C. R2 conflicts with R1
                                                                                • D. R2 from conflicting with R3
                                                                                Reveal Solution  Discussion  0

                                                                                Correct Answer: A  🗳️

                                                                                Question #5

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

                                                                                • A. Route disclosure for ISIS avoids suboptimal paths.
                                                                                • B. Route leaks for ISIS can only be applied to IPv4 environments.
                                                                                • C. Route leaks for ISIS must be deployed on Level-1 routers
                                                                                • D. Route disclosure for ISIS is turned on by default.
                                                                                Reveal Solution  Discussion  0

                                                                                Correct Answer: A  🗳️

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