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

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

                                                                                Huawei HCIE-Datacom V1.0 Sample Questions:

                                                                                Question #1

                                                                                As shown in the figure, the use of redundant links between the branch and the headquarters to establish IPsecVPN, while turning on URLPF on the Router_B for traffic from branch l, which of the following options is correct?

                                                                                • A. When using lPsec active-standby link redundancy backup, the URPF function is enabled under the physical interface, and URPF strict mode can be used.
                                                                                • B. When using IPsec multilink redundant backups, urPF can be enabled under the tunnel interface, and URPF strict mode can be used
                                                                                • C. When using IPsec active-standby link redundant backups to enable the URPF function under the physical interface, it is recommended to use URPF loose mode.
                                                                                • D. When using IPsec multilink redundant backup, the URPF function can be used under the physical interface, and URPF strict mode can be used
                                                                                Answer: B,C
                                                                                Question #2

                                                                                Which of the following BGP attributes is not required in the Update message for a BGP route?

                                                                                • A. WITH
                                                                                • B. Origin
                                                                                • C. AS_PATH
                                                                                • D. Local-Preference
                                                                                Answer: A,D
                                                                                Question #3

                                                                                The following is an error in the OSPF routing calculation (single choice).

                                                                                • A. When the first and second class LSAs on the network change, OSPF uses the ISPF algorithm to recalculate the routes. The
                                                                                • B. OSPF router uses the FULL SPF algorithm to calculate all nodes in the network when initially calculating routes
                                                                                • C. Compared to the PRC algorithm, the ISPF algorithm only calculates the changed leaf nodes when the route changes PRC algorithm to recalculate routes
                                                                                Answer: C
                                                                                Question #4

                                                                                In an MPLS domain, depending on how the LSR handles the data, the LSR can be divided into Ingress LSR, Transit LSR, and Transit LSR Egress LSR? For the same FEC An LSR can be an Iningress LSR for that EC or a Transit for that FEC LSR.

                                                                                • A. TRUE
                                                                                • B. FALSE
                                                                                Answer: A
                                                                                Question #5

                                                                                The following statement about IPSec VPN is correct

                                                                                • A. The two routers can establish an OSPF neighbor relationship through the IPSec VPN (19) channel and exchange intranet devices by
                                                                                • B. Two routers establish an IPSec VPN in brutal mode, so that the tunnel is built with a minimum of 4 messages interacting between the two devices.
                                                                                • C. Brutal mode can support NAT traversal, while main mode does not support NAT traversal.
                                                                                • D. The two routers establish IPSecVPN in main mode, and from the 5th message (included), the payload's data is often encrypted.
                                                                                Answer: A,D
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