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Exam Overview
Exam Code GB0-510
Exam Name Constructing Small- and Medium-Sized Enterprise Security Networks V1.0
Vendor H3C
Total Questions 431
Last Updated 07-Nov, 2026
Free GB0-510 Questions Get Premium Access
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Free GB0-510 Practice Questions

Explore 9 free practice questions for the H3C GB0-510 exam and review the answers and explanations to support your preparation.

  1. Question 1

    Single answer

    In the following attack means, ______ is not a DOS attack.

    • Option A:

      Smurf attack


      Correct
    • Option B:

      Land attack

      Correct
    • Option C:

      Cross-site attack

      Correct
    • Option D:

      Fraggle attack


      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: C

  2. Question 2

    Single answer

    Which of the following protocols works below the transport layer in the TCP/IP protocol stack?

    • Option A:

      SSL

      Correct
    • Option B:

      ARP

      Correct
    • Option C:

      HTTPS


      Correct
    • Option D:

      SSH

      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: B

  3. Question 3

    Single answer

    Which of the following protocols works below the transport layer in the TCP/IP protocol stack?

    • Option A:

      SSL

      Correct
    • Option B:

      ARP

      Correct
    • Option C:

      HTTPS


      Correct
    • Option D:

      SSH

      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: B

  4. Question 4

    Multiple answers

    The TCP/IP protocol defines a peer-to-peer open network, and possible attacks and damages against this network include ______.

    • Option A:

      Damage to physical transmission lines

      Correct
    • Option B:

      Damage to network layer and application layer protocols


      Correct
    • Option C:

      Damage to software

      Correct
    • Option D:

      Damage to hardware

      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: A, B, C, D

  5. Question 5

    Multiple answers

    In the following statements about measuring firewall performance indicators, ______ is correct.

    • Option A:

      Throughput needs to be tested based on data packets in different sizes and traffic in different directions.

      Correct
    • Option B:

      Delay is a time interval from a time at which a packet enters the firewall to a time at which the packet is output from the firewall.

      Correct
    • Option C:

      The number of new connections is the total number of connections that the firewall can simultaneously process per second.

      Correct
    • Option D:

      The number of concurrent connections is the number of new connections that the firewall can process per second.


      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: A, B

  6. Question 6

    Multiple answers

    In the statements about the H3C firewall version upgrade process, ______ is correc.

    • Option A:

      Obtain the software version from H3C's official website http://www.h3c.com/cn/.

      Correct
    • Option B:

      The software version file can be uploaded to the local via the FTP/TFTP.

      Correct
    • Option C:

      Execute the boot-loader command to specify the version file to be used when the device is started next time.

      Correct
    • Option D:

      The boot-loader file command must include a system parameter, which indicates that the software package is specified as a system software package.

      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: A, B, C

  7. Question 7

    Multiple answers

    AAA authentication mainly includes ______.

    • Option A:

      Access

      Correct
    • Option B:

      Authentication

      Correct
    • Option C:

      Authorization

      Correct
    • Option D:

      Accounting


      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: B, C, D

  8. Question 8

    Multiple answers

    User AAA Authorization manners include ______.

    • Option A:

      No authorization


      Correct
    • Option B:

      Local authorization

      Correct
    • Option C:

      Remote authorization

      Correct
    • Option D:

      Administrator authorization

      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: A, B, C

  9. Question 9

    Multiple answers

    In the H3C firewall device, the ACL (Access Control List) is mainly applied to ______.

    • Option A:

      QoS, to classify data traffic.


      Correct
    • Option B:

      IPSec, to specify conditions that trigger establishment of IPSec.


      Correct
    • Option C:

      NAT, to restrict addresses that need to be translated.


      Correct
    • Option D:

      Policy routing, to perform routing and forwarding according to a user-defined policy (such as the ACL rule).

      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: A, B, C, D