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

SectionWeightObjectives
Campus Network Planning and Deployment23%- CloudCampus Deployment
  • 1. Controller and Device Management
    • 2. Service Provisioning
      • 3. O&M and Troubleshooting
        - Campus Network Architecture
        • 1. CloudCampus Solution Architecture
          • 2. Traditional Campus Architecture
            - Campus Network Design
            • 1. Network Segmentation and Isolation
              • 2. Access, Aggregation and Core Layer Design
                • 3. WLAN Integration
                  WAN Interconnection Network Planning and Deployment8%- WAN Architecture
                  • 1. Traditional WAN Technologies
                    • 2. SD-WAN Architecture
                      - SD-WAN Solution
                      • 1. Huawei SD-WAN Components
                        • 2. Overlay and Underlay Design
                          • 3. Policy and Traffic Steering
                            Bearer WAN Planning and Deployment15%- Deployment and Optimization
                            • 1. Planning Principles
                              • 2. Performance Optimization
                                - CloudWAN Technologies
                                • 1. SRv6
                                  • 2. Network Slicing
                                    • 3. High Reliability Design
                                      - Bearer WAN Architecture
                                      • 1. CloudWAN Solution Architecture
                                        • 2. Carrier-grade Network Requirements
                                          Network Automation17%- Huawei Automation Tools
                                          • 1. Scripting and Development
                                            • 2. iMaster NCE
                                              - Automation Basics
                                              • 1. RESTCONF and gRPC
                                                • 2. YANG and NETCONF
                                                  • 3. Network Management Protocols
                                                    - Telemetry and Monitoring
                                                    • 1. Telemetry Principles
                                                      • 2. Real-time Data Collection
                                                        Advanced Routing and Switching Technology37%- Advanced Routing Protocols
                                                        • 1. IS-IS
                                                          • 2. OSPF and OSPFv3
                                                            • 3. IPv6 Transition Technologies
                                                              • 4. BGP
                                                                - Advanced Switching Technologies
                                                                • 1. Multicast Protocols
                                                                  • 2. High Availability Technologies
                                                                    • 3. VXLAN and EVPN
                                                                      - QoS and Security
                                                                      • 1. Advanced Security Technologies
                                                                        • 2. QoS Mechanisms
                                                                          - MPLS and VPN Technologies
                                                                          • 1. MPLS L3VPN/L2VPN
                                                                            • 2. Traffic Engineering
                                                                              • 3. MPLS Basics

                                                                                Huawei HCIE-Datacom V1.0 Sample Questions:

                                                                                Question #1

                                                                                RD is used to distinguish the same IP address in different VPNs, how many bits does RD contain? (Single choice)

                                                                                • A. 32
                                                                                • B. 128
                                                                                • C. 64
                                                                                • D. 16
                                                                                Answer: C
                                                                                Question #2

                                                                                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. Can prevent wireless circular forwarding of messages
                                                                                • C. Copy IPTIL value is handled in such a way that the LSR of the MPLS domain is hidden, which plays a certain security role
                                                                                • D. When copying TTL is disabled, tracert can see the LSR of the passing MPLS domain
                                                                                Answer: A,B
                                                                                Question #3

                                                                                What are the main reasons why RSTP converges faster than STP?

                                                                                • A. RSTP increases the variety of port states
                                                                                • B. RSTP has a smaller overhead
                                                                                • C. RSTP does not converge based on timer
                                                                                • D. RSTP has a smaller timer
                                                                                Answer: C
                                                                                Question #4

                                                                                The switch SWA and SWB are connected together by 2 Ethernet links, where the switch SWA has the following interface configuration:

                                                                                • A. Without changing the current configuration, GigabitEthernet1/0/1 and GigabitEthernet1/0/2 can join the same aggregation group
                                                                                • B. Because of the different VLANs allowed, GigabitEthernet1/0/1 and GigabitEthernet1/0/2 cannot join the same aggregation group
                                                                                • C. After link clustering is configured on both SWA and SWB, if MSTP is enabled on the switches SWA and SWB Both GigabitEthernetl1/0/1 and GigabitEthernetl/O/2 are the forwarding status of MSTP
                                                                                • D. Only if the configuration of GigabitEthernet 1/0/2 is changed to match GigabitEthernet 1/0/1 can the two join the same aggregation group
                                                                                Answer: B,D
                                                                                Question #5

                                                                                In the laboratory network, the network is built according to the following topology diagram, SWI is the default configuration, and SW2 disables the switch STP function.

                                                                                • A. SG0/0/2 for WI enters the Discarding state
                                                                                • B. SW2 G0/0/2 enters discarding state
                                                                                • C. SWI's G0/0/1 enters the Discarding state
                                                                                • D. SW2 and G0/0/1 enters the Discarding state
                                                                                • E. No interface is backed up for blocking
                                                                                Answer: E
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