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

H12-891_V1.0-ENU real exams

Exam Code: H12-891_V1.0-ENU

Exam Name: HCIE-Datacom V1.0

Updated: Aug 02, 2026

Q & A: 611 Questions and Answers

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About Huawei H12-891_V1.0-ENU Exam

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

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

                                                                                Huawei HCIE-Datacom V1.0 Sample Questions:

                                                                                1. Is the following information about BGP4+ described correctly?

                                                                                A) Modifying the RouterID of BGP causes the BGP connection between routers to be re-established.
                                                                                B) BGP4 can use dampening commands to suppress oscillations on IBGP routes.
                                                                                C) The Next Hop attribute in BGP4+ is represented by an IPv6 address, which can be the link-local address of the next hop.
                                                                                D) BGP4+ does not support route auto-aggregate


                                                                                2. What is wrong with the following statement about digital certificates?

                                                                                A) Authentication fails when the peer certificate is received within the validity period, but the device itself is in the wrong time if it is not within the validity period of the certificate.
                                                                                B) Digital certificates contain public key information.
                                                                                C) Even if two PRI entities are not in the same CA system, authentication can be completed as long as both parties can recognize each other's CA.
                                                                                D) Digital signatures guarantee the integrity of digital certificates.


                                                                                3. The correct description of the extended features of ISIS is?

                                                                                A) After you enable the LSP shard extension feature of your router, you can use it without restarting the ISIS process.
                                                                                B) When the amount of information in the Link State Protocol data packet PDU to be released by ISIS is too large, the ISIS router will generate multiple LSP shards to carry more ISIS information.
                                                                                C) If there are other vendors' devices on the network and do not support the LSP sharding function, the sharding expansion mode must be configured as Model-1, otherwise the message will not be recognized by other vendors' devices.
                                                                                D) ISIS can choose whether to authenticate incoming SNP and LSP packets


                                                                                4. LDP messages are exchanged between LDLRs running the LDP protocol, and LDP messages can be divided into four types according to function, which of the following is not an LDP message type?

                                                                                A) Conversation message
                                                                                B) Label Exchange Information
                                                                                C) Advertisement message
                                                                                D) Discover message


                                                                                5. What check frames can IPSG set?

                                                                                A) MAC address
                                                                                B) IP address
                                                                                C) Out of the interface
                                                                                D) VLAN ID


                                                                                Solutions:

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

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