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

  • Exam Code: H12-891_V1.0-ENU
  • Exam Name: HCIE-Datacom V1.0
  • Updated: Jul 28, 2026
  • Q & A: 611 Questions and Answers
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  • Exam Code: H12-891_V1.0-ENU
  • Exam Name: HCIE-Datacom V1.0
  • Updated: Jul 28, 2026
  • Q & A: 611 Questions and Answers
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Huawei H12-891_V1.0-ENU Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Network Automation17%- Telemetry and Monitoring
  • 1. Telemetry Principles
    • 2. Real-time Data Collection
      - Huawei Automation Tools
      • 1. Scripting and Development
        • 2. iMaster NCE
          - Automation Basics
          • 1. RESTCONF and gRPC
            • 2. YANG and NETCONF
              • 3. Network Management Protocols
                Topic 2: Advanced Routing and Switching Technology37%- MPLS and VPN Technologies
                • 1. MPLS Basics
                  • 2. Traffic Engineering
                    • 3. MPLS L3VPN/L2VPN
                      - Advanced Routing Protocols
                      • 1. OSPF and OSPFv3
                        • 2. IS-IS
                          • 3. IPv6 Transition Technologies
                            • 4. BGP
                              - QoS and Security
                              • 1. QoS Mechanisms
                                • 2. Advanced Security Technologies
                                  - Advanced Switching Technologies
                                  • 1. Multicast Protocols
                                    • 2. High Availability Technologies
                                      • 3. VXLAN and EVPN
                                        Topic 3: Campus Network Planning and Deployment23%- CloudCampus Deployment
                                        • 1. Controller and Device Management
                                          • 2. Service Provisioning
                                            • 3. O&M and Troubleshooting
                                              - Campus Network Design
                                              • 1. WLAN Integration
                                                • 2. Network Segmentation and Isolation
                                                  • 3. Access, Aggregation and Core Layer Design
                                                    - Campus Network Architecture
                                                    • 1. CloudCampus Solution Architecture
                                                      • 2. Traditional Campus Architecture
                                                        Topic 4: 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. Traditional WAN Technologies
                                                                • 2. SD-WAN Architecture
                                                                  Topic 5: Bearer WAN Planning and Deployment15%- Bearer WAN Architecture
                                                                  • 1. CloudWAN Solution Architecture
                                                                    • 2. Carrier-grade Network Requirements
                                                                      - Deployment and Optimization
                                                                      • 1. Planning Principles
                                                                        • 2. Performance Optimization
                                                                          - CloudWAN Technologies
                                                                          • 1. SRv6
                                                                            • 2. Network Slicing
                                                                              • 3. High Reliability Design

                                                                                Huawei HCIE-Datacom V1.0 Sample Questions:

                                                                                1. The following description of the process of sending and receiving data frames in switch interface Access mode is correct? (Single choice questions).

                                                                                A) In Access mode, labeled data frames are discarded directly when they are received.
                                                                                B) When a data frame enters the switch interface, the switch learns the destination MAC address in the data frame.
                                                                                C) Access mode receives only unlabeled data frames.
                                                                                D) Access mode strips off the VLAN tag of the dataton when sending.


                                                                                2. Which IPV6 address would you ping to confirm that OSPFv3 is capable of pastoring unicast messages over the link?

                                                                                A) Global Address of the link
                                                                                B) Unique Local Add
                                                                                C) Link Local Address
                                                                                D) Site local Multicast
                                                                                E) Anycast Address


                                                                                3. SNMPv3 defines which security features

                                                                                A) Domain checking
                                                                                B) Authentication
                                                                                C) Privacy
                                                                                D) Accounting


                                                                                4. The Serial Number field of LS is used to detect expired and duplicate LSAs. The field is a 32bt signed integer, so the small serial number is Ox8000000

                                                                                A) False
                                                                                B) True


                                                                                5. What are the reasons why the BGP connection is down after it is successfully established? (Single choice questions) Single choice

                                                                                A) The wrong BGP packet was received.
                                                                                B) The mandatory attribute in the route update packet is missing.
                                                                                C) After the BGP connection is established, the keepalive message is not received within the negotiated hold time time.
                                                                                D) Open message negotiation failed.


                                                                                Solutions:

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

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