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

  • Exam Code: H12-891_V1.0-ENU
  • Exam Name: HCIE-Datacom V1.0
  • Updated: Sep 17, 2026
  • Q&As: 611 Questions and Answers

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H12-891_V1.0-ENU exam dumps

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

SectionWeightObjectives
Topic 1: Bearer WAN Planning and Deployment15%- Deployment and Optimization
  • 1. Planning Principles
    • 2. Performance Optimization
      - CloudWAN Technologies
      • 1. Network Slicing
        • 2. SRv6
          • 3. High Reliability Design
            - Bearer WAN Architecture
            • 1. CloudWAN Solution Architecture
              • 2. Carrier-grade Network Requirements
                Topic 2: Advanced Routing and Switching Technology37%- Advanced Routing Protocols
                • 1. OSPF and OSPFv3
                  • 2. BGP
                    • 3. IPv6 Transition Technologies
                      • 4. IS-IS
                        - QoS and Security
                        • 1. QoS Mechanisms
                          • 2. Advanced Security Technologies
                            - Advanced Switching Technologies
                            • 1. VXLAN and EVPN
                              • 2. Multicast Protocols
                                • 3. High Availability Technologies
                                  - MPLS and VPN Technologies
                                  • 1. Traffic Engineering
                                    • 2. MPLS L3VPN/L2VPN
                                      • 3. MPLS Basics
                                        Topic 3: Campus Network Planning and Deployment23%- Campus Network Architecture
                                        • 1. Traditional Campus Architecture
                                          • 2. CloudCampus Solution Architecture
                                            - CloudCampus Deployment
                                            • 1. Controller and Device Management
                                              • 2. O&M and Troubleshooting
                                                • 3. Service Provisioning
                                                  - Campus Network Design
                                                  • 1. Network Segmentation and Isolation
                                                    • 2. Access, Aggregation and Core Layer Design
                                                      • 3. WLAN Integration
                                                        Topic 4: Network Automation17%- Huawei Automation Tools
                                                        • 1. Scripting and Development
                                                          • 2. iMaster NCE
                                                            - 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
                                                                      Topic 5: WAN Interconnection Network Planning and Deployment8%- WAN Architecture
                                                                      • 1. Traditional WAN Technologies
                                                                        • 2. SD-WAN Architecture
                                                                          - SD-WAN Solution
                                                                          • 1. Policy and Traffic Steering
                                                                            • 2. Huawei SD-WAN Components
                                                                              • 3. Overlay and Underlay Design

                                                                                Huawei HCIE-Datacom V1.0 Sample Questions:

                                                                                Question #1

                                                                                Regarding BGP's recognized arbitrary attributes, which of the following descriptions is correct?

                                                                                • A. There is no requirement to be present in the Update message, and you can decide whether to add it to the Update message on a case-by-case basis
                                                                                • B. All BGP routers must be recognized
                                                                                • C. The BGP router cannot recognize the
                                                                                • D. must be passed between BGP neighbors
                                                                                Reveal Solution  Discussion  0

                                                                                Correct Answer: A,B  🗳️

                                                                                Question #2

                                                                                CORRECT TEXT
                                                                                When judging the old and new LSA, the serial number parameter and the age parameter are used, and the following two parameters are correct for? (Multiple choice questions).

                                                                                • A. Both the serial number and age parameters can determine whether the LSA is old or new, and the router prioritizes the sequence to participate in the teaching, and the larger the better
                                                                                • B. When the router receives-The age of the LSA is set to 3600S, the LSA is unavailable
                                                                                • C. If the serial number of the LSA reaches the end value of Ox7FFFFFFF, the current router advertises an LSA with an age of 3600S
                                                                                • D. When the router receives two LSAs, where the sequence number is the same and the checksum is the same, the smaller the age, the better
                                                                                Reveal Solution  Discussion  0

                                                                                Correct Answer: A,C  🗳️

                                                                                Question #3

                                                                                The CPU was attacked by malicious traffic. Here are some of the following ways to prevent an attack: Multi-select

                                                                                • A. Speed limiting of messages sent to the CPu on the soil.
                                                                                • B. Turn off the remote login function of the router.
                                                                                • C. USE CPCAR to rate limit messages sent up to the CPU according to the protocol type
                                                                                • D. Analyze and count the packets sent to the CPU to find out the user of the attack source or the interface of the attack source.
                                                                                • E. Filter packets with AcL on the compromised router port
                                                                                Reveal Solution  Discussion  0

                                                                                Correct Answer: B,E  🗳️

                                                                                Question #4

                                                                                NSF (Non-StoppingForwarding) and non-stop circuits are transmitted NSR (Non-Stopping Routing) are two highly reliable solutions, and the following statement is correct

                                                                                • A. NSF routers do not need to negotiate the ability to support NSF through specific messages
                                                                                • B. NSR backers require the ability to support NSR through specific message negotiation
                                                                                • C. After NSF is enabled, the router is switched back, and the routing table and forwarding table remain unchanged, so traffic is not lost during grf time
                                                                                • D. After NSR enablement, if the business batch backup has not yet ended, a master board failure occurs, the NSR cannot be completed
                                                                                Reveal Solution  Discussion  0

                                                                                Correct Answer: D  🗳️

                                                                                Question #5

                                                                                The following description of the Layer 6 functionality in the OSI reference model is correct?

                                                                                • A. Establishing, maintaining, and terminating communication sessions
                                                                                • B. Provides a common data compression and encryption scheme
                                                                                • C. Synchronous communication
                                                                                • D. Determines the availability of resources
                                                                                Reveal Solution  Discussion  0

                                                                                Correct Answer: B  🗳️

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