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Huawei H12-811-ENU : HCIA-Datacom V1.0

H12-811-ENU real exams

Exam Code: H12-811-ENU

Exam Name: HCIA-Datacom V1.0

Updated: Jul 30, 2026

Q & A: 732 Questions and Answers

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Huawei H12-811-ENU Exam Syllabus Topics:

SectionObjectives
Topic 1: Routing Technologies- IP routing fundamentals
  • 1. Static routing
    • 2. Dynamic routing basics (OSPF introduction)
      Topic 2: Switching Technologies- LAN switching principles
      • 1. VLAN concepts and configuration
        • 2. MAC address learning and forwarding
          Topic 3: Network Security and Management- Basic security concepts
          • 1. Device management basics
            • 2. Access control lists (ACL)
              Topic 4: Network Services- Common network services
              • 1. DHCP principles
                • 2. NAT basics
                  Topic 5: Network Fundamentals- Basic networking concepts
                  • 1. Common network protocols
                    • 2. OSI and TCP/IP models

                      Huawei HCIA-Datacom V1.0 Sample Questions:

                      1. Which of the following cannot be the length of the IPv4 packet header? ()

                      A) 64B
                      B) 20B
                      C) 60B
                      D) 32B


                      2. It is known that there are two entries in the routing table of a router. If the router wants to forward packets with the destination address of 9.1.4.5, the correct one of the following statements is ()

                      A) The second item is selected as the best matching item, because the route is a more accurate match relative to the destination 9.1.4.5
                      B) Select the second item as the best match, because the speed of Ethernet0 is faster than the speed of serial0
                      C) Chooses the first item as the best matching item, because the priority value of the ospf protocol is higher
                      D) Choose the second item as the best matching item, because the cost of the RIP protocol is small


                      3. The IPv4 address assigned by the network administrator to a host in the network is 192.168.128, how many more hosts can be added to the network where this host is located? ()

                      A) 15
                      B) 12
                      C) 13
                      D) 14


                      4. To ensure that the same data stream is forwarded on the same physical link, which load sharing method does Eth Trunk use?

                      A) Load sharing based on data packet inbound interface
                      B) Packet-based load sharing
                      C) Load sharing based on application layer information
                      D) Flow-based load sharing


                      5. The following rules exist in an ACL of a router. Rule deny top source192.168, 1.00.0.0.255 destination 172.16.10.1 0.0.0.0 destination-port eq 21 is the correct statement? ()

                      A) sourceIP is 192.168.1.1, destination P is 172.16.10.1, and all TCP packets with destination port number 21 match this rule
                      B) The type of ACL is basic ACL
                      C) The source IP is 192.168.1.1, the destination IP is 172.16.10.2, and all 1CP packets whose destination port number is 21 match this rule
                      D) Rule sourceIP is 192.168.1.1, the destination IP is 72.16.10.3, and all TCP packets with the destination port number of 21 match this rule


                      Solutions:

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

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