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

H12-891_V1.0-ENU real exams

Exam Code: H12-891_V1.0-ENU

Exam Name: HCIE-Datacom V1.0

Updated: Sep 05, 2026

Q & A: 611 Questions and Answers

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

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

                                                                                Huawei HCIE-Datacom V1.0 Sample Questions:

                                                                                Question #1

                                                                                Which of the following is the benefit of VLAN aggregation?

                                                                                • A. Increased number of available VLANs
                                                                                • B. Increased flexibility in addressing
                                                                                • C. Reduce the waste of IP addresses
                                                                                • D. Implements isolation of broadcast domains between Sub-VLANs
                                                                                Answer: B,C,D
                                                                                Question #2

                                                                                When two devices with the same priority compete for the master role at the same time, the device on which the interface with the smaller IP address resides should be selected as the master device

                                                                                • A. True
                                                                                • B. False
                                                                                Answer: B
                                                                                Question #3

                                                                                The following description of the BGP route reflector is? (Multiple choice questions).

                                                                                • A. A network of bones is divided into multiple reflection clusters, each of which configures the other RRs as non-clients, and establishes an IBGP full connection between the RRs.
                                                                                • B. Cluster_List is an optional non-staging property for ring protection within the cluster.
                                                                                • C. The route learned from the client, all non-clients and clients published to this RR.
                                                                                • D. The Originator_ID attribute is generated by the Route Reflector (RR) for inter-cluster ring protection.
                                                                                Answer: A,C
                                                                                Question #4

                                                                                In VXLAN scenarios, what features can be turned on to reduce flooding of ARP messages between VTEPs? (Multiple select).

                                                                                • A. port isolation
                                                                                • B. Host Information Collection
                                                                                • C. ARP broadcast suppression
                                                                                • D. Local ARP agent
                                                                                Answer: C,D
                                                                                Question #5

                                                                                What kind of scenario can use AS one path and one filter?

                                                                                • A. If-natch clause answer in Route-policy.
                                                                                • B. Filter routes received from BGP neighbors based on the AS PATH attribute that the route carries. For example, the command peer x.X.x.x as path-filter import
                                                                                • C. Filter routes sent to BGP neighbors based on the AS PATH attribute that the route carries. For example, the command peerx. X.x.x as path-filter export
                                                                                • D. The apply clause in Routepolicy
                                                                                Answer: A,B,C

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