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

Pass H12-891_V1.0 Exam Cram

Exam Code: H12-891_V1.0

Exam Name: HCIE-Datacom V1.0

Updated: Aug 19, 2026

Q & A: 323 Questions and Answers

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Huawei H12-891_V1.0 Exam Syllabus Topics:
SectionObjectives
Routing and Switching Technologies- IP routing protocols
  • 1. OSPF
    • 2. IS-IS basics
      • 3. BGP
        - Switching technologies
        • 1. VLAN and STP
          • 2. Ethernet switching mechanisms
            Network Automation and Programmability- SDN and automation
            • 1. NETCONF/YANG basics
              • 2. Network automation tools
                Network Security and QoS- Security mechanisms
                • 1. Basic network security design
                  • 2. ACL and traffic control
                    - QoS mechanisms
                    • 1. Traffic classification and shaping
                      WAN and VPN Technologies- MPLS fundamentals
                      • 1. MPLS LDP and forwarding
                        • 2. VPN technologies
                          Data Center and Virtualization Technologies- VXLAN and overlay networks
                          • 1. Data center network virtualization
                            Enterprise Network Architecture- Network design principles
                            • 1. Hierarchical network architecture
                              • 2. Scalability and high availability design
                                IPv6 and Advanced IP Technologies- IPv6 deployment
                                • 1. IPv6 addressing and transition
                                  Huawei HCIE-Datacom V1.0 Sample Questions:

                                  1. The command can be run to completely isolate Layer 2 and Layer 3 of different interfaces in a VLAN. (Use lowercase letters to supplement the command, which cannot be abbreviated.)


                                  2. Which of the following languages is integrated into the OPS?

                                  A) C++
                                  B) C programming language
                                  C) Java
                                  D) Python


                                  3. In the firewall hot standby scenario, which of the following status information can be backed up between the active and standby firewalls?

                                  A) Dynamic MAC address table
                                  B) AAA user table (excluding the default user admin)
                                  C) Server mapping table
                                  D) Session table


                                  4. If the number of MAC addresses learned on an interface enabled with port security reaches the upper limit, which of the following actions may the switch take?

                                  A) Discards packets with unknown source MAC addresses without generating any alarm.
                                  B) Sets the interface state to error-down without generating any alarm.
                                  C) Sets the interface state to error-down and generates an alarm.
                                  D) Discards packets with unknown source MAC addresses and generates an alarm.


                                  5. An O&M platform mainly provides unified monitoring and performance management for network devices. Which of the following is NOT device monitoring data?

                                  A) Monitoring-plane data
                                  B) Control-plane data
                                  C) Data-plane data
                                  D) Management-plane data


                                  Solutions:

                                  Question # 1
                                  Answer: Only visible for members
                                  Question # 2
                                  Answer: D
                                  Question # 3
                                  Answer: B,C,D
                                  Question # 4
                                  Answer: C
                                  Question # 5
                                  Answer: A

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