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

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                                  Huawei HCIE-Datacom V1.0 Sample Questions (Q287-Q292):

                                  NEW QUESTION # 287
                                  What does IPV6 enable topology ipv6 mean under IS-IS protocol view?

                                  Answer: D


                                  NEW QUESTION # 288
                                  To obtain the token ID of iMaster NCE, you need to send an HTTP request message that includes the following Python code to invoke an iMaster NCE RESTful API.
                                  Which of the following statements is incorrect?
                                  import requests
                                  nbi_name = "demo13@north.com"
                                  nbi_pwd = "CgocVcVe1@"
                                  host = "139.9.213.72"
                                  port = "18002"
                                  URI = "/controller/v2/tokens"
                                  post_token_url = "https://" + host + ":" + port + URI
                                  headers_post = {"Content-Type": "application/json", "Accept": "application/json"} r = requests.post(post_token_url, headers=headers_post, json={"userName": nbi_name, "password": nbi_pwd}, verify=False)

                                  Answer: A

                                  Explanation:
                                  The provided Python code uses the requests.post() function to make an HTTP POST request to retrieve a token from iMaster NCE. The body is structured using the json={} parameter, which serializes the dictionary into JSON format. The proper content-type and accept headers are included.
                                  Let's analyze each option:
                                  ✅ Option A is correct: The print(r.json()) is a valid method to display JSON response from the server.
                                  ✅ Option B is correct: The token URL is constructed correctly: https://139.9.213.72:18002/controller/v2/tokens.
                                  ✅ Option C is correct: The request body is clearly in JSON format, specified by the json={...} argument.
                                  ❌ Option D is incorrect: The HTTP method used is POST, not GET. The statement is false, making it the correct answer to select.
                                  Huawei Official Documentation Reference:
                                  "To obtain a token, the client sends a POST request to /controller/v2/tokens, including credentials in the request body in JSON format." (Source: Huawei iMaster NCE RESTful API Reference Guide - Authentication Section)


                                  NEW QUESTION # 289
                                  What messages can Huawei equipment suppress traffic for?

                                  Answer: A,B,C


                                  NEW QUESTION # 290
                                  How long is an IPv6 prefix assigned to a host when an IPv6 address is configured for the host in SLAAC mode?

                                  Answer: A

                                  Explanation:
                                  Stateless Address Autoconfiguration (SLAAC)is an IPv6 mechanism where a host automatically configures its ownglobal unicast addresswithout requiring a DHCPv6 server.
                                  IPv6 Address Format in SLAAC:
                                  First 64 bits#Network Prefix(received from the router's RA message).
                                  Last 64 bits#Interface Identifier(generated using EUI-64 or a randomly assigned value).
                                  Why is the Prefix Always 64 Bits?
                                  SLAAC requires a/64 prefixbecause the host needsthe lower 64 bitsto generate a unique address.
                                  IPv6 Neighbor Discovery (ND) and Address Autoconfiguration are designed for a /64 subnet mask.
                                  Reference from Huawei HCIE-Datacom Documentation:
                                  Huawei IPv6 Configuration Guide - SLAAC Addressing and Prefix Allocation HCIE-Datacom Training Material - IPv6 Stateless Address Autoconfiguration (SLAAC)


                                  NEW QUESTION # 291
                                  What messages does an NMS (Network Management Station) running SNMPv1 send to the agent?

                                  Answer: B


                                  NEW QUESTION # 292
                                  ......

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