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

"HCIE-Datacom V1.0", also known as H12-891_V1.0 exam, is a Huawei Certification. With the complete collection of questions and answers, PrepPDF has assembled to take you through 323 Q&As to your H12-891_V1.0 Exam preparation. In the H12-891_V1.0 exam resources, you will cover every field and category in Huawei Certified ICT Expert Certification helping to ready you for your successful Huawei Certification.

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  • Exam Code: H12-891_V1.0
  • Exam Name: HCIE-Datacom V1.0
  • Certification Provider: Huawei
  • Corresponding Certification: Huawei Certified ICT Expert
  • Updated: Aug 09, 2026
  • No. of Questions: 323 Questions & Answers with Testing Engine
  • Download Limit: Unlimited

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Huawei H12-891_V1.0 Exam Syllabus Topics:

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

                                  Huawei HCIE-Datacom V1.0 Sample Questions:

                                  1. Congestion avoidance technology can prevent congestion on an interface.

                                  A) FALSE
                                  B) TRUE


                                  2. The Huawei SD-WAN solution has three types of channels. Drag the channel names to their corresponding callouts.


                                  3. Fill in Blank
                                  As shown in the figure, a sham link is established between PE1 and PE2 through the loopback interfaces. CE2 can learn the 192.168.1.0/24 route (directed route on CE1) through the sham link and backdoor link. If other parameters use their default settings, the cost of the 192.168.1.0/24 route on CE2 should be ______. (Enter an Arabic numeral without symbols.)


                                  4. A network administrator runs the display telemetry subscription command on a device to check telemetry subscription information. The command output is as follows:
                                  [~CE] display telemetry subscription
                                  Sub-name : Sub1
                                  Sensor group:
                                  Sensor-name Sample-interval(ms) State
                                  Sensor1 1000 RESOLVED
                                  Destination group:
                                  Dest-name Dest-IP Dest-port State Vpn-name Protocol
                                  Dest1 192.168.56.1 20000 RESOLVED - GRPC
                                  Sub-state : PASSIVE
                                  Total subscription number is : 1
                                  Which of the following statements is incorrect?

                                  A) The IP address of the device is 192.168.56.1.
                                  B) The subscription mode is static subscription.
                                  C) The device sends sampled data every second.
                                  D) The subscription name is Sub1.


                                  5. Which of the following statements about DHCP snooping is incorrect?

                                  A) After DHCP snooping is enabled in the view of a VLAN, it takes effect for the VLAN's DHCP messages received by all the interfaces of the device.
                                  B) After DHCP snooping is enabled in the view of an interface, it takes effect for all DHCP messages on the interface.
                                  C) DHCP snooping can prevent attacks by configuring trusted interfaces.
                                  D) After DHCP snooping is enabled globally, the device processes only DHCPv4 messages by default if no parameter is specified.


                                  Solutions:

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

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