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

  • Exam Code: H12-891_V1.0-ENU
  • Exam Name: HCIE-Datacom V1.0
  • Updated: Aug 11, 2026     Q & A: 611 Questions and Answers

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

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

                                                                                Huawei HCIE-Datacom V1.0 Sample Questions:

                                                                                1. The following description of the CHAP authentication function in the PPP protocol is correct? (Multiple choice questions).

                                                                                A) If the authenticator does not have a username configured, password
                                                                                B) is calculated using the MD5 algorithm Three message interactions are required for authentication, and only the user name is transmitted on the network without the password
                                                                                C) The user name must be configured under the authenticated party interface for CHAP authentication
                                                                                D) can also be configured without the authenticated party interface Using the authentication sequence ID, random number, and key, a Hash value


                                                                                2. The Option field in OSPEv3 appears in all LSAs

                                                                                A) False
                                                                                B) True


                                                                                3. Regarding route introduction, what is the following description of the error?

                                                                                A) ISIS, routes to Level After the 1 makes a route ingestion, if you do not manually configure the ingestion policy, a bad route will be formed.
                                                                                B) By default, OSPF introduces an external route with a default metric of 1, and the level-2 network of the ingested external route type type, Type2
                                                                                C) Introducing IBGP routing in OSPF may cause routing loops
                                                                                D) BGP supports both import and network when generating routes, and the network mode is more precise.


                                                                                4. In a network, the same gigabit running S and OSPF anti-tampering and fluttering as shown in the figure, on the two border routers RTB and RTC are introduced into the wine route, the device question is to use gigabit one port strobe,, 222. The network is introduced into the OSE via impotrote direct on the RTD, assuming that all other configurations are dead default configurations, then the description of this network is wrong?

                                                                                A) On the RTC, the following configuration is adopted, only the routes of the 2222/32 cinder segment can be filtered out when routing is introduced, IRTClip ip-prefix 10 index 1 deny2 000 8 less-equal 32
                                                                                B) The following configuration can filter out the routes of the 2222/32 CIDR block of the white RTD when RTC introduces OSPF routes.
                                                                                C) RTB learns that the routing next hop for the 2222/32 network segment is RTA
                                                                                D) Adjusting the ISIS priority to 160 on the RTB avoids suboptimal routing problems in the network.


                                                                                5. What parameters can the DHCPv6 server assign to DHCPv6 clients?

                                                                                A) Gateway address
                                                                                B) IPv6 address/prefix
                                                                                C) SNTP server address
                                                                                D) DNS server address


                                                                                Solutions:

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

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