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

H12-891_V1.0-ENU

Exam Code: H12-891_V1.0-ENU

Exam Name: HCIE-Datacom V1.0

Updated: Jul 27, 2026

Q & A: 611 Questions and Answers

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About Huawei HCIE-Datacom V1.0 certification

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

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

                                                                                Huawei HCIE-Datacom V1.0 Sample Questions:

                                                                                1. Which of the following descriptions of MPLS header TTL are correct?

                                                                                A) MPLS has two ways of handling TTL, one is that the IP packet copies the PTTL of the MPLS header hen it enters the MPLS network Value; Another is to set the TTL of the MPLS header to 255 at the entrance LER
                                                                                B) When copying TTL is disabled, tracert can see the LSR of the passing MPLS domain
                                                                                C) Can prevent wireless circular forwarding of messages
                                                                                D) Copy IPTIL value is handled in such a way that the LSR of the MPLS domain is hidden, which plays a certain security role


                                                                                2. For Layer 2 VPN technology, the following statement is correct? Multi-select

                                                                                A) BGPEVPN addresses mac address drift and multi-tenancy that VPLS cannot support.
                                                                                B) BGPEVPN supports features such as tenant isolation, Multi-homing, and broadcast suppression.
                                                                                C) The VPLS configuration is complex and the Layer 2 network transmits BUM packets.
                                                                                D) VPLS is a widely used technology in the live network, which can provide transparent transmission of three-layer messages and achieve multi-point access.


                                                                                3. The message types of ISIS mainly include SNP, IIH, and LSP

                                                                                A) True
                                                                                B) False


                                                                                4. The following description is correct regarding route control

                                                                                A) AS-path-fiter is for AS-path, which affects the routing of paths.
                                                                                B) OSPF, ISIS, and BGP can issue default routes.
                                                                                C) In Node 10, if-match community-fiter1 and f-match as-pah-fiter1 are "and the relationship
                                                                                D) IBGP routes can be introduced using the impot-route BGP command


                                                                                5. What command can be used to prevent users from accessing multiple devices through the HUB on the switch's access port? (Radio).

                                                                                A) [Huawei iterface Gigabithemeto/0/1 (Huawei-GigabitEthemeto//1)pot ink type access(Huawel-CigabiEthemeto/1]portisolate enable
                                                                                B) [Huawe interface Gigabithemeto/0/1[Huawei-GigabiEthermeto/O/lport linktypetrunk [Huawel-GigabithemetO/1]port trunk allow pass vlan 10
                                                                                C) [Huawei interface GigabiEthemet/0/1[Huawe-GigablEthemetO/0/1Jpor ink type acess(Huawei GigabitEthemet/O/Tipsg enable
                                                                                D) Huawei interface GigabiEthemetO/0/1Huawei-GigabiEthemetO/OJport link-type acces Huawei GigabilEthemet/0/1port-secunty enable0


                                                                                Solutions:

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

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