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

H12-891_V1.0-ENU real exams

Exam Code: H12-891_V1.0-ENU

Exam Name: HCIE-Datacom V1.0

Updated: Jul 19, 2026

Q & A: 611 Questions and Answers

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

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

                                                                                Huawei HCIE-Datacom V1.0 Sample Questions:

                                                                                1. In the multi-level RR scenario, the first-level RR will be connected to a large number of second-level R, which may cause the BGP circuit of the first-level RR to overflow from the table Risk of R BGP routing table overflow? (Radio).

                                                                                A) Route Control
                                                                                B) Set the same Cluster-ID
                                                                                C) ORF
                                                                                D) Route Aggregation


                                                                                2. A company's two-layer phase network architecture as shown in the figure, when the engineer is configured to find that the business between departments can not communicate, through the command to view the status of the equipment as follows, please determine the possible causes?

                                                                                A) The Transition VLAN mapping between the handover machines is not configured to be caused
                                                                                B) The BPDU interval between switches is not configured
                                                                                C) The Revislon Level configuration is inconsistent between switches
                                                                                D) Inconsistent Registry Name configuration between text exchange machines


                                                                                3. CMPv6 uses the Type field to identify the message type, and according to the value of the type field, we can divide the ICMPv6 message into two categories, one is the error message and the other is the information message

                                                                                A) False
                                                                                B) True


                                                                                4. In a multicast network, what causes multicast traffic to not forward properly?

                                                                                A) The upstream router will receive the PIM Join message dropped
                                                                                B) Multi-router egress network, this router is not DR
                                                                                C) The router does not have an RPF route
                                                                                D) PIM is not enabled on the RPF interface


                                                                                5. OSPF fast convergence is an extended feature to improve the convergence speed of routing, in which PRC works by speeding up routing computation by performing path calculations only on the affected nodes when the network topology changes.

                                                                                A) FALSE
                                                                                B) TRUE


                                                                                Solutions:

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

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