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

  • H12-891_V1.0-ENU pdf
  • Exam Code: H12-891_V1.0-ENU
  • Exam Name: HCIE-Datacom V1.0
  • Updated: Sep 11, 2026
  • Q & A: 611 Questions and Answers
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  • Exam Code: H12-891_V1.0-ENU
  • Exam Name: HCIE-Datacom V1.0
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  • Updated: Sep 11, 2026
  • Q & A: 611 Questions and Answers
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  • H12-891_V1.0-ENU Testing Engine
  • Exam Code: H12-891_V1.0-ENU
  • Exam Name: HCIE-Datacom V1.0
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  • 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. Scripting and Development
    • 2. iMaster NCE
      - Telemetry and Monitoring
      • 1. Real-time Data Collection
        • 2. Telemetry Principles
          - Automation Basics
          • 1. RESTCONF and gRPC
            • 2. Network Management Protocols
              • 3. YANG and NETCONF
                WAN Interconnection Network Planning and Deployment8%- SD-WAN Solution
                • 1. Huawei SD-WAN Components
                  • 2. Policy and Traffic Steering
                    • 3. Overlay and Underlay Design
                      - WAN Architecture
                      • 1. SD-WAN Architecture
                        • 2. Traditional WAN Technologies
                          Advanced Routing and Switching Technology37%- Advanced Switching Technologies
                          • 1. High Availability Technologies
                            • 2. VXLAN and EVPN
                              • 3. Multicast Protocols
                                - Advanced Routing Protocols
                                • 1. IPv6 Transition Technologies
                                  • 2. OSPF and OSPFv3
                                    • 3. IS-IS
                                      • 4. BGP
                                        - QoS and Security
                                        • 1. QoS Mechanisms
                                          • 2. Advanced Security Technologies
                                            - MPLS and VPN Technologies
                                            • 1. Traffic Engineering
                                              • 2. MPLS L3VPN/L2VPN
                                                • 3. MPLS Basics
                                                  Campus Network Planning and Deployment23%- Campus Network Design
                                                  • 1. WLAN Integration
                                                    • 2. Access, Aggregation and Core Layer Design
                                                      • 3. Network Segmentation and Isolation
                                                        - CloudCampus Deployment
                                                        • 1. Service Provisioning
                                                          • 2. O&M and Troubleshooting
                                                            • 3. Controller and Device Management
                                                              - Campus Network Architecture
                                                              • 1. Traditional Campus Architecture
                                                                • 2. CloudCampus Solution Architecture
                                                                  Bearer WAN Planning and Deployment15%- Deployment and Optimization
                                                                  • 1. Performance Optimization
                                                                    • 2. Planning Principles
                                                                      - Bearer WAN Architecture
                                                                      • 1. CloudWAN Solution Architecture
                                                                        • 2. Carrier-grade Network Requirements
                                                                          - CloudWAN Technologies
                                                                          • 1. SRv6
                                                                            • 2. High Reliability Design
                                                                              • 3. Network Slicing

                                                                                Huawei HCIE-Datacom V1.0 Sample Questions:

                                                                                Question 1

                                                                                The following is an error in the OSPF routing calculation (single choice).

                                                                                A. OSPF router uses the FULL SPF algorithm to calculate all nodes in the network when initially calculating routes
                                                                                B. When the first and second class LSAs on the network change, OSPF uses the ISPF algorithm to recalculate the routes. The
                                                                                C. Compared to the PRC algorithm, the ISPF algorithm only calculates the changed leaf nodes when the route changes PRC algorithm to recalculate routes


                                                                                Question 2

                                                                                What are the differences between traffic policing and traffic shaping?

                                                                                A. For traffic shaping, the router caches excess packets until bandwidth is available again
                                                                                B. For traffic shaping, it can be over-CIR Traffic adjustment for the usage of the buffer
                                                                                C. The token bucket algorithm is used for traffic supervision, and the SPD algorithm is used for traffic shaping
                                                                                D. For traffic policing, the usage of the buffer can be adjusted for traffic exceeding the CIR
                                                                                E. Traffic shaping is applied in the inlet direction and traffic supervision is applied in the outlet direction


                                                                                Question 3

                                                                                The following description of Filter-Policy is correct? (Radio neck).

                                                                                A. When using a prefix list to filter routes, the table entry ip-prefix 1 deny 0000 0 less-equal 32 matches only the default route.
                                                                                B. With Filter-Policy, on ASBR in OSPF, you can filter the generation of type5 LSA and type7LSA.
                                                                                C. Prefix lists can be used to filter both routes and packets.
                                                                                D. Filter-policy filters the link state information received or published, and can modify the properties of route entries.


                                                                                Question 4

                                                                                What are the characteristics of Syslog information?

                                                                                A. The transmission of Syslog messages is confirmable
                                                                                B. The transmission of Syslog messages is unreliable
                                                                                C. The transmission of Syslog messages is secure
                                                                                D. The transmission of Syslog messages is reliable
                                                                                E. The transmission of Syslog messages is not acknowledgable
                                                                                F. The transmission of Syslog messages is not secure


                                                                                Question 5

                                                                                As shown in the figure, which of the following options satisfies two routers to establish an ISIS neighbor? (Single choice questions).

                                                                                A. Both routers are of. The Level-1 type.
                                                                                B. Both routers remain of the default type.
                                                                                C. The ISIS process numbers of the two routers must be consistent.
                                                                                D. One of the two routers can be of the Level-1-2 type and the other of the Leve1-1 type.


                                                                                Solutions:

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

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