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H12-891_V1.0 pdf
  • Exam Code: H12-891_V1.0
  • Exam Name: HCIE-Datacom V1.0
  • Updated: Aug 13, 2026
  • Q & A: 323 Questions and Answers
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  • Exam Code: H12-891_V1.0
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Huawei H12-891_V1.0 Exam Syllabus Topics:

SectionObjectives
Topic 1: Enterprise Network Architecture- Network design principles
  • 1. Hierarchical network architecture
    • 2. Scalability and high availability design
      Topic 2: WAN and VPN Technologies- MPLS fundamentals
      • 1. MPLS LDP and forwarding
        • 2. VPN technologies
          Topic 3: Network Automation and Programmability- SDN and automation
          • 1. NETCONF/YANG basics
            • 2. Network automation tools
              Topic 4: Routing and Switching Technologies- IP routing protocols
              • 1. BGP
                • 2. OSPF
                  • 3. IS-IS basics
                    - Switching technologies
                    • 1. VLAN and STP
                      • 2. Ethernet switching mechanisms
                        Topic 5: IPv6 and Advanced IP Technologies- IPv6 deployment
                        • 1. IPv6 addressing and transition
                          Topic 6: Data Center and Virtualization Technologies- VXLAN and overlay networks
                          • 1. Data center network virtualization
                            Topic 7: Network Security and QoS- QoS mechanisms
                            • 1. Traffic classification and shaping
                              - Security mechanisms
                              • 1. Basic network security design
                                • 2. ACL and traffic control

                                  Huawei HCIE-Datacom V1.0 Sample Questions:

                                  1. Fill in Blank
                                  In the figure, SR-MPLS is enabled on R1, R2, and R3. The SRGB (Segment Routing Global Block) range on R3 is from 20000 to 21000, and the prefix SID index configured on the loopback1 interface of R3 is 30.
                                  In this case, the MPLS label corresponding to the loopback1 interface of R3 is _____.
                                  (Enter an Arabic numeral without symbols.)


                                  2. You write the following Python code to invoke a RESTful API to obtain the token ID of iMaster NCE. Which of the following statements are correct?
                                  import requests
                                  response = requests.get("https://139.9.213.72")
                                  print(response.json())
                                  Error returned:
                                  requests.exceptions.SSLError: HTTPSConnectionPool(host='139.9.213.72', port=18002): Max retries exceeded with url: /controller/v2/tokens (Caused by SSLError(CertificateError('hostname '139.9.213.72' doesn't match 'devzone.huawei.com'))) Options:

                                  A) The SSL certificate verification fails.
                                  B) The client does not trust the SSL certificate of the server.
                                  C) The code can be modified as follows:import requestsresponse = requests.post("http://139.9.213.72", verify=False)print(response.json())
                                  D) The code can be modified as follows:import requestsresponse = requests.get("https://139.9.213.72", verify=False)print(response.json())


                                  3. The following information is displayed during OSPF troubleshooting. Based on this information, which of the following is the cause of the failure in establishing an OSPF adjacency relationship?
                                  <Huawei>display ospf error interface GigabitEthernet 0/0/0
                                  OSPF Process 1 with Router ID 10.0.12.2
                                  OSPF error statistics
                                  Interface: GigabitEthernet0/0/0 (10.0.12.2)
                                  General packet errors:
                                  0 : Bad version 0 : Bad checksum
                                  0 : Bad area id 0 : Bad authentication type
                                  0 : Bad authentication key 0 : Unknown neighbor
                                  0 : Bad net segment 0 : Extern option mismatch
                                  0 : Router id confusion
                                  HELLO packet errors:
                                  2 : Netmask mismatch 0 : Hello timer mismatch
                                  0 : Dead timer mismatch 0 : Invalid Source Address

                                  A) The authentication passwords are inconsistent.
                                  B) The area types are inconsistent.
                                  C) Hello packets are sent at different intervals.
                                  D) The IP address masks of the interfaces are inconsistent.


                                  4. Prefix segments and adjacency segments are globally visible and unique.

                                  A) TRUE
                                  B) FALSE


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


                                  Solutions:

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

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