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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 921:

    Which of the following DNS records would be queried to locate a companyns mail server?

    A. A

    B. MX

    C. AAAA

    D. CNAME

  • Question 922:

    A crossover cable is MOST commonly associated with which of the following layers of the OSI model?

    A. Session

    B. Applicaton

    C. Network

    D. Physical

  • Question 923:

    Creatng a uniform user environment throughout the network can BEST be achieved by using which of the following?

    A. Honeypots

    B. Virtual switches

    C. Virtual PBX

    D. Virtual desktops

  • Question 924:

    Which of the following subnet masks would allow for 192.168.0.3 and 192.168.0.240 to be in the same subnet?

    A. 255.255.255.0

    B. 255.255.255.128

    C. 255.255.255.192

    D. 255.255.255.248

  • Question 925:

    Which of the following is the broadcast address for a network defned as 192.168.0.0/24?

    A. 192.168.0.255

    B. 192.168.0.1

    C. 192.168.0.0

    D. 192.168.0.253

  • Question 926:

    Which of the following protocols uses port 3389?

    A. IMAP

    B. DHCP

    C. SSH

    D. RDP

  • Question 927:

    Zachf a network administratorf is responding to a support tcket. The tcket does not have enough informaton to determine the problem. Which of the following should Zach perform FIRST before responding to the tcket?

    A. Determine if anything has changed.

    B. Test a theory to determine a cause.

    C. Establish a plan of acton to resolve the problem.

    D. Escalate the problem if necessary.

  • Question 928:

    Which of the following protocols is commonly used for VoIP technology?

    A. Telnet

    B. SMTP

    C. SIP

    D. SNMP

  • Question 929:

    Which of the following exterior routng protocols uses an algorithm to determine the quickest route to a destnaton?

    A. RIP

    B. OSPF

    C. BGP

    D. RIPv2

  • Question 930:

    Which of the following OSI model layers is used for logical addressing?

    A. Physical

    B. Transport

    C. Network

    D. Data link

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