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CompTIA Network+

Exam Details

  • Exam Code
    :JK0-023
  • Exam Name
    :CompTIA Network+
  • Certification
    :CompTIA Certifications
  • Vendor
    :CompTIA
  • Total Questions
    :1112 Q&As
  • Last Updated
    :Apr 12, 2025

CompTIA CompTIA Certifications JK0-023 Questions & Answers

  • Question 971:

    Which of the following default ports are used with DHCP? (Select TWO).

    A. 22

    B. 23

    C. 53

    D. 67

    E. 68

  • Question 972:

    Which of the following is used to prevent Layer 2 switching loops within a local area network?

    A. STP

    B. MTU

    C. EGP

    D. IGP

  • Question 973:

    Which of the following BEST describes a switch port?

    A. Broadcast domain

    B. Distance vector

    C. Link state

    D. Collision domain

  • Question 974:

    The MAC address of a network device is used to communicate at which of the following OSI layers?

    A. Layer 1

    B. Layer 2

    C. Layer 4

    D. Layer 5

  • Question 975:

    Which of the following DNS records would allow for a website to have more than one FQDN?

    A. TXT

    B. PTR

    C. MX

    D. CNAME

  • Question 976:

    Which of the following layers of the OSI model is responsible for stripping the TCP port informaton before sending the packet up to the next layer?

    A. 2

    B. 3

    C. 4

    D. 5

  • Question 977:

    Which of the following would be considered a Class C private address?

    A. 10.0.0.125

    B. 192.168.50.125

    C. 192.169.0.132

    D. 255.255.255.0

  • Question 978:

    DHCP uses which of the following ports by default?

    A. 21

    B. 23

    C. 68

    D. 443

  • Question 979:

    Which of the following routng protocols can be utliied as both an IGP and EGP?

    A. EIGRP

    B. RIP

    C. IGRP

    D. RIPv2

  • Question 980:

    A user reports intermitent network connectvity from their desktop PC. A technician determines the cause to be a bad wall jack and fxes the jack. Which of the following should the technician do NEXT?

    A. Test the theory

    B. Queston the user

    C. Document the outcome

    D. Verify functonality

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