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H31-211 Real Exam Questions

Huawei Certified Network Associate - HCDA (Carrier IP)

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Question 1 Single choice

Network interconnection devices are often located below and below the OSI reference model, implemented in a combination of hardware and software.

  1. A

    One

  2. B

    Three

  3. C

    Four

  4. D

    Five

Show answer and explanation

Correct answer: B

Question 2 Multiple choice

Which of the following protocols belong to the transport layer? (multiple choice)

  1. A

    IP

  2. B

    TCP

  3. C

    UDP

  4. D

    SNMP

Show answer and explanation

Correct answers: B, C

Question 3 Single choice

The RTA uses the Ethernet0/0 interface to connect to a LAN. The IP address of the port is 10.1.1.251 and the network mask is 255.255.255.0. It is required to create a virtual router on the RTA with ID 1 and virtual IP address 10.1.1.254.

Which of the following is correct?

  1. A

    [RTA-Ethernet0/0]vrrp vrid 1 virtual-ip 10.1.1.254

  2. B

    [RTA]vrrp vrid 1 virtual-ip 10.1.1.254

  3. C

    [RTA-Ethernet0/0]vrrp vrid 1 virtual-ip 10.1.1.254 mask 255.255.255.0

  4. D

    [RTA]vrrp vrid 1 virtual-ip 10.1.1.254 mask 255.255.255.0

Show answer and explanation

Correct answer: A

Question 4 Multiple choice

What are the protocols that will not be used in the TRACERT process? (multiple choice)

  1. A

    TCP

  2. B

    UDP

  3. C

    ICMP

  4. D

    ARP

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Correct answers: A, D

Question 5 Single choice

It is known that the mask of a network is 255.255.248.0, then what belongs to the same network segment?

  1. A

    10.110.16.1 and 10.110.25.1

  2. B

    10 .76 .129.21 and 10.76.137.1

  3. C

    10.52.57.34 and 10.52.62.2

  4. D

    10.33.23.2 and 10.33.31.1

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Correct answer: C

Question 6 Single choice

Which of the following port numbers can the FTP server use to listen for FTP client connections by default?

  1. A

    21

  2. B

    23

  3. C

    25

  4. D

    53

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Correct answer: A

Question 7 Single choice

Which of the following devices are working at the network layer?

  1. A

    Hub

  2. B

    Bridge

  3. C

    Switch

  4. D

    Router

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Correct answer: D

Question 8 Single choice

One-arm routing implements VLAN interworking. The number of router sub-interfaces depends on the number of VLANs that are accessed.

  1. A

    True

  2. B

    False

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Correct answer: A

Question 9 Multiple choice

What are the common methods in VLAN-based partitioning? (multiple choice)

  1. A

    Port-based VLAN

  2. B

    VLAN based on MAC address

  3. C

    VLAN based on protocol

  4. D

    Divide VLAN based on TCP port number

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Correct answers: A, B, C

Question 10 Single choice

What kind of data encapsulation method does OSPF use as an application layer protocol?

  1. A

    Encapsulated by the transport layer, UDP port number hop

  2. B

    Encapsulated by IP, protocol number 89

  3. C

    Encapsulated by the transport layer, TCP port number 89

  4. D

    Directly run above the data link layer

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Correct answer: B