H12-811 Exam Details

  • Exam Code
    :H12-811
  • Exam Name
    :HCIA-Datacom V1.0
  • Certification
    :Huawei Certifications
  • Vendor
    :Huawei
  • Total Questions
    :838 Q&As
  • Last Updated
    :May 26, 2026

Huawei H12-811 Online Questions & Answers

  • Question 341:

    Take effect immediately after the Router ID of the OSPF process is modified ()

    A. True
    B. False

  • Question 342:

    The network shown in the figure below. The administrator wants RTA to use a static router. Priority is given to sending data packets to RTB's LoopbackO interface through G0/0/1 port. At the same time, G0/0/2 is used as a backup. Then any configuration on RTA can be Realize this requirement? () (Single-choice question)

    A. ip route-static10.0.2.2255.255.255.25510.0.12.2 Ip route-static10.0.2.2255.255.255.25510.0.21.2 preference 40
    B. ip route-static10.0.2.2255.255.255.25510.0.12.2 Ip route-static10.0.2.2255.255.255.25510.0.21.2
    C. ip route-static10.0.2.2255.255.255.25510.0.12.2 preference 70 Ip route.-static10.0.2.2255.255.255.25510.0.21.2
    D. ip route-static10.0.2.2255.255.255.25510.0.12.2 Ip route-static10.0.2.2255.255.255.25510.0.21.2 preference 70

  • Question 343:

    All four switches run STP, and various parameters adopt default values. If the G0/0/2 port of switch C is blocked and the configuration BPDU cannot be sent through this port, how long will the blocked port in the network enter the forwarding state ()

    A. About 50 seconds
    B. About 30 seconds
    C. About 15 seconds

  • Question 344:

    According to the VTY user interface configuration shown in the following figure, the user level is set to 3. [Huawei]user-interface vty 0 14 [Huawei-ui-vty0-14]acl 2000 inbound [Huawei-ui-vty0-14]user privilege level 3 [Huawei-ui-vty0-14]authentication-node password

    Please configure the login password (maximum length 16): huawei

    A. True
    B. False

  • Question 345:

    What is the protocol number of OSPF at the network layer?

    B. 1
    C. 6
    D. 89

  • Question 346:

    As shown in the figure, when the switch needs to forward frames with the destination mac address of 5489-98ec-f011, which of the following descriptions is correct? () (Single-choice question)

    A. The switch will send a message that the destination is unreachable to the source device
    B. The switch did not find a matching entry in the mac address table. So the frame will be discarded
    C. The switch needs to send a request to discover the device with the mac address of 5489-98ec-f011
    D. The switch will be All ports outside flood the frame

  • Question 347:

    The output information of the sub-interface of a certain router's aggregation port 1 is shown in the figure. Based on this information, which of the following statements is correct? ( )

    [Router A] display Interface Eth-Trunk 1.100Eth-Trunk1.100 current state UP Line protocol current state UP Last line protocol up time 2019-03-04 10:22:40 UTC.-08:00 Description:

    HUAWEI, ARSeries, Eth-Trunk1.100 Interface Route Port, Hash arithmetiC.:According to SIP-XOR-DIP, Maximal BW:2G.Current BW:2G, The Maximum Transmit Unit is 1500 Internet Address is 10.0.12.2/24 IP Sending Frames'Format is

    PKTFIT ETENT 2, Hardwareaddress 1s 00e0-fc3b-2015 Current system time:2019-03-04 10:24:29-08:00 Last 300 seconds input rate0 bits/sec.0 packets/sec Last 300 seconds output rate 0 bits /seC.0 packets/sec Realtime 0 seconds

    inputrate 0 bits/seC.0 packets/sec Realtime 0 seconds output rate 0 bits/seC.0 packets/sec Input: 6 packets, 574 bytes,

    Output: 7 packets, 638 bytes, Input bandwidth utilization 0% Output bandwidth utilization 0%

    PortName Status Weight

    GigabitEthernet0/0/1 UP 1 GigabitEthernet0/0/2 UP 1

    The Number of Ports in Trunk:2 The Number of UP Ports in Trunk:2*

    A. Two links exist on the aggregated port
    B. The P address of the sub-interface of the aggregate port is 10.0.12.2/24
    C. The sub-interface number of the aggregate port is 100
    D. The sub-interface of the aggregate port carries VLAN TAG100 when forwarding data frames

  • Question 348:

    Which of the following statements about the default route are correct? ()

    A. If the destination address of the message cannot match any other routing entries in the routing table, the router will forward the message according to the default route
    B. There must be a default route in the routing table of any router
    C. The default route can only be manually configured by the administrator
    D. In the routing table, the default route appears in the form of a route to the network 0.0.0.0 (the mask is also 0.0.0.0)

  • Question 349:

    If the network address of a network is 10.1.1.0/30, what is its broadcast address? ()

    A. 10.1.1.3
    B. 10.1.1.4
    C. 10.1.1.1

  • Question 350:

    The static MAaddress table will not be lost after the system restarts ()

    A. True
    B. False

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