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H12-811 Real Exam Questions

HCIA-Datacom V1.0

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Question 1 Multiple choice

Which of the following statements about the "S" field in the MPLS packet header are true? (Choose all that apply.)

  1. A

    The field indicates whether there are other labels behind the current label. 1: Yes; 0: No.

  2. B

    The "S' field is 1 bit long in frame mode and 2 bits long in cell mode.

  3. C

    The field indicates whether there are other labels behind the current label. 0: Yes; 1: No.

  4. D

    The "S" field exists in each MPLS packet header.

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Correct answers: A, B, D

Question 2 Single choice

Which of the following statements is correct for the ACL configured in the Telnet application? ()

  1. A

    The device with P address 172.16.105.4 can use Telnet service

  2. B

    The device with IP address 172.16.105.3 can use Telnet service

  3. C

    The device with IP address 172.16.105.5 can use Telnet service

  4. D

    The device with P address 172.16.105.6 can use Telnet service

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Correct answer: D

Question 3 Multiple choice

In the STP protocol, which of the following factors will affect the election of the root switch? ()*

  1. A

    IP address of the switch

  2. B

    Switch interface ID

  3. C

    Switch interface bandwidth port

  4. D

    Switch priority

  5. E

    MAC address of the switch

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Correct answers: D, E

Question 4 Single choice

When using the FTP protocol to upgrade the router software, the transmission mode should be selected ()

  1. A

    Binary mode

  2. B

    Byte mode

  3. C

    Text mode

  4. D

    Stream byte mode

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Correct answer: A

Question 5 Single choice

The router running the OSPF protocol reaches the FULL state first, and then synchronizes the LSD()

  1. A

    True

  2. B

    False

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Correct answer: B

Question 6 Single choice

Which packet type is used by network devices running the SNMPv1 protocol to actively send alarm information? ()

  1. A

    Trap

  2. B

    Response

  3. C

    Get Request

  4. D

    Get-Next Request

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Correct answer: A

Question 7 Multiple choice

In the network as shown in the figure, the administrator hopes that all hosts cannot access the Web service (the port number is 80). Other services can be accessed normally.
Then, in the interface configuration of G0/0/1, traffic-filWhich ACL rule needs to be bound to ter outbound?
()

  1. A

    acl number 3000
    ARule 5 deny tcy destination-port eq www
    Rule 10 permit ip
    #

  2. B

    acl number 3001
    Rule 5 deny udp destination-port eg www
    Rule 10 permit ip

    #

  3. C

    acl number 3002
    Rule 5 permit ip
    Rule 10 deny tep destination eq www
    #

  4. D

    acl number 3003
    Rule 5 permit ip
    Rule 10 deny udp destination eq www
    #

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Correct answers: B, D

Question 8 Single choice

Which of the following packet types is used by RADIUS to indicate authentication rejection? ()

  1. A

    Access-Accept

  2. B

    Access-Request

  3. C

    Access-Challenge

  4. D

    Access-Reject

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Correct answer: D

Question 9 Single choice

In the broadcast network as shown in the figure, 0SPF runs on four routers. And in the same area. The same network segment. SPF will automatically elect one DR and multiple BDRs to achieve a better backup effect. ()(True or False)

  1. A

    True

  2. B

    False

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Correct answer: B

Question 10 Single choice

The Layer 2 Ethernet switch generates entries in the MAC address table according to the () of the Ethernet frame received by the port. ()

  1. A

    Source MAC. Address

  2. B

    Destination MAC. Address

  3. C

    Destination IP address

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Correct answer: B