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

H12-891_V1.0-ENU

Exam Code: H12-891_V1.0-ENU

Exam Name: HCIE-Datacom V1.0

Updated: Jul 19, 2026

Q & A: 611 Questions and Answers

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

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

                                                                                Huawei HCIE-Datacom V1.0 Sample Questions:

                                                                                1. Huawei's SDN controller using VXLAN technology is fixed?

                                                                                A) Agile Controller-Campus
                                                                                B) Agile Controller-DCN
                                                                                C) Agile Controller-WAN


                                                                                2. What mechanisms or techniques can VRRP combine with to monitor uplink connectivity?

                                                                                A) NQA
                                                                                B) Interface trace
                                                                                C) BFD
                                                                                D) IP-link


                                                                                3. Which nationality meets the following two conditions: 1] BGP Router A can choose whether the Ulpdate message is based on the nationality. ( )
                                                                                If Router B receives a Updae message containing a cross-hatch, run-by B does not have an identified solidity, but will also contain a multifaceted] Ulpdate retracts the advertisement to Router C.
                                                                                Router C may recognize and apply this attribute. (Multiple choice questions).

                                                                                A) Local_Pref
                                                                                B) Community
                                                                                C) Aggregator
                                                                                D) Multi_Exit_Disc


                                                                                4. If a Huawei switch runs the RSTP protocol, when will the BPDUs on a port on the switch be aged?

                                                                                A) After more than 6 seconds
                                                                                B) after the Forward Delay timeout
                                                                                C) On the interface, RSTP does not age BPDU
                                                                                D) After Ma ge times out
                                                                                E) After Hello time times out


                                                                                5. The following statement about IPSec VPN is correct

                                                                                A) The two routers establish IPSecVPN in main mode, and from the 5th message (included), the payload's data is often encrypted.
                                                                                B) The two routers can establish an OSPF neighbor relationship through the IPSec VPN (19) channel and exchange intranet devices by
                                                                                C) Brutal mode can support NAT traversal, while main mode does not support NAT traversal.
                                                                                D) 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.


                                                                                Solutions:

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

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