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

  • Exam Code: H12-891_V1.0-ENU
  • Exam Name: HCIE-Datacom V1.0
  • Updated: Sep 06, 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: Sep 06, 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: 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 3: 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 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:

                                                                                Question #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.
                                                                                Answer: D
                                                                                Question #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
                                                                                Answer: A,B,C
                                                                                Question #3

                                                                                SNMPv3 defines which security features

                                                                                • A. Domain checking
                                                                                • B. Authentication
                                                                                • C. Privacy
                                                                                • D. Accounting
                                                                                Answer: B,C
                                                                                Question #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
                                                                                Answer: A
                                                                                Question #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.
                                                                                Answer: D

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