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

Huawei H12-891_V1.0-ENU exam
  • Exam Code: H12-891_V1.0-ENU
  • Exam Name: HCIE-Datacom V1.0
  • Updated: Sep 08, 2026
  • Q & A: 611 Questions and Answers
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Huawei H12-891_V1.0-ENU Exam Syllabus Topics:
SectionWeightObjectives
Topic 1: Advanced Routing and Switching Technology37%- QoS and Security
  • 1. QoS Mechanisms
    • 2. Advanced Security Technologies
      - Advanced Routing Protocols
      • 1. OSPF and OSPFv3
        • 2. BGP
          • 3. IPv6 Transition Technologies
            • 4. IS-IS
              - Advanced Switching Technologies
              • 1. Multicast Protocols
                • 2. VXLAN and EVPN
                  • 3. High Availability Technologies
                    - MPLS and VPN Technologies
                    • 1. Traffic Engineering
                      • 2. MPLS Basics
                        • 3. MPLS L3VPN/L2VPN
                          Topic 2: Network Automation17%- Huawei Automation Tools
                          • 1. Scripting and Development
                            • 2. iMaster NCE
                              - Automation Basics
                              • 1. Network Management Protocols
                                • 2. YANG and NETCONF
                                  • 3. RESTCONF and gRPC
                                    - Telemetry and Monitoring
                                    • 1. Real-time Data Collection
                                      • 2. Telemetry Principles
                                        Topic 3: 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. SD-WAN Architecture
                                                • 2. Traditional WAN Technologies
                                                  Topic 4: Bearer WAN Planning and Deployment15%- Deployment and Optimization
                                                  • 1. Performance Optimization
                                                    • 2. Planning Principles
                                                      - CloudWAN Technologies
                                                      • 1. SRv6
                                                        • 2. Network Slicing
                                                          • 3. High Reliability Design
                                                            - Bearer WAN Architecture
                                                            • 1. CloudWAN Solution Architecture
                                                              • 2. Carrier-grade Network Requirements
                                                                Topic 5: Campus Network Planning and Deployment23%- Campus Network Architecture
                                                                • 1. Traditional Campus Architecture
                                                                  • 2. CloudCampus Solution Architecture
                                                                    - CloudCampus Deployment
                                                                    • 1. Service Provisioning
                                                                      • 2. Controller and Device Management
                                                                        • 3. O&M and Troubleshooting
                                                                          - Campus Network Design
                                                                          • 1. WLAN Integration
                                                                            • 2. Network Segmentation and Isolation
                                                                              • 3. Access, Aggregation and Core Layer Design
                                                                                Huawei HCIE-Datacom V1.0 Sample Questions:
                                                                                Question #1

                                                                                CORRECT TEXT
                                                                                The following description of Filter-Policy is correct? (Radio).

                                                                                • A. Prefix lists can be used to filter both routes and packets.
                                                                                • B. When filtering routes using the pre-slow list, the table entry ip-prefxldeny0000 0 lese-qual 32 indicates that only the default route matches
                                                                                • C. Filter-policy filters the link state information received or published, and can modify the properties of route entries.
                                                                                • D. With Filter-Policy, on ASBR in OSPF, type5LSA and type7LSA can be applied. The build is filtered.
                                                                                Answer: C
                                                                                Question #2

                                                                                Why is BGP an enhanced distance vector routing protocol?

                                                                                • A. NEXT_HOP is a recognized mandatory attribute
                                                                                • B. BGP uses the ASPATH attribute to record all autonomous system numbers that a route passes through into an AS list, and based on that attribute, routes with shorter AS-PATH are preferred
                                                                                • C. According to the routing rules of BGP routing, the route with lower MED is preferred
                                                                                • D. BGP cannot accept routes that carry a local AS number in the AS_PATH
                                                                                Answer: B
                                                                                Question #3

                                                                                ?BGP4+?,Update????M IP_R EACH_NLRI?????next hop network address??????

                                                                                • A. Can only be a link-local address
                                                                                • B. at the same time Can only be a global unicast address
                                                                                • C. It can be just link-local address
                                                                                • D. You can carry a link-local address and a global unicast address
                                                                                Answer: D
                                                                                Question #4

                                                                                The following description of ISIS's routed infiltration is correct? (Multi-select)

                                                                                • A. Route penetration for ISIS does not include aggregated routes.
                                                                                • B. Route penetration of ISIS does not cause neighbor concussions.
                                                                                • C. Route infiltration of ISIS is used to prevent routing loops.
                                                                                • D. Route penetration for ISIS can be deployed on Level-1 routers.
                                                                                • E. ISIS routing penetrates | Can be used in Pv6 environments.
                                                                                Answer: B,E
                                                                                Question #5

                                                                                Regarding the Stub region and the NSSA region of the OSPF protocol, the following statement is incorrect with a single choice

                                                                                • A. Type5 LSA injection is not allowed in the Stub region, while Type5LSA injection is allowed in the NSSA region
                                                                                • B. Type7LSA injection is not allowed in the Stub region, while Type7LSA injection is allowed in the NSSA region
                                                                                • C. Neither the Stub region nor the NSSA region allows injection of Type4 LSA
                                                                                • D. Both the Stub region and the NSSA region allow injection of Type3 LSA
                                                                                Answer: A

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