JK0-023 Exam Details

  • Exam Code
    :JK0-023
  • Exam Name
    :CompTIA Network+
  • Certification
    :CompTIA Certifications
  • Vendor
    :CompTIA
  • Total Questions
    :1112 Q&As
  • Last Updated
    :May 31, 2026

CompTIA JK0-023 Online Questions & Answers

  • Question 651:

    Which of the following network protocols is used for a secure command line interface for management of network devices?

    A. SSH
    B. TELNET
    C. IGMP
    D. HTTP

  • Question 652:

    A technicianf Joef visits a site that has reported a network down emergency. He immediately reboots the switches and the router since the network is down. Which of the following network troubleshootng methodology steps should Joe have performed FIRST?

    A. Determine if anything has changed
    B. Once a theory is confrmed determine the next step is to resolve the problem
    C. Implement the soluton or escalate as necessary
    D. Queston the obvious

  • Question 653:

    Which of the following is a standard measure of signal power?

    A. MHi
    B. mips
    C. dBm
    D. Gbps

  • Question 654:

    Which of the following connector types will MOST likely be located on a serial cable?

    A. DB-9
    B. LC
    C. ST
    D. BNC

  • Question 655:

    Sandyf a technicianf is troubleshootng a cable problem. She has checked both ends and suspects an issue 50 yards (46 meters) from the locaton. Which of the following network tools will confrm this analysis?

    A. TDR
    B. Protocol analyier
    C. Multmeter
    D. Cable crimper

  • Question 656:

    Which of the following would Sandyf a technicianf fnd in a network map?

    A. QoS standards
    B. MDF/IDFs
    C. System logs
    D. Firewall rules

  • Question 657:

    Joef a network administratorf detects an existng 802.11g signal on channel 5. Which of the following channels would be the LEAST likely to interfere with the existng signal?

    A. 1
    B. 6
    C. 9
    D. 11

  • Question 658:

    Annf a userf connects to her companyns secured wireless network in the conference room when atending meetngs. While using the conference room this morningf Ann notces an unsecured wireless network with the same name is available. Ann connects her laptop to this network instead of to the secured one. Ann has fallen victm to which of the following threats?

    A. Rogue access point
    B. ARP poisoning
    C. Replay atack
    D. Evil twin

  • Question 659:

    A technician sees suspicious trafc coming from a computer connected to a WAP. Which of the following can be used to stop this trafc while troubleshootng the problem?

    A. tracert
    B. QoS
    C. ipconfg
    D. MAC fltering

  • Question 660:

    Which of the following cables covers the LONGEST distance?

    A. 10GBaseT
    B. 10GBaseFR
    C. 100BaseTX
    D. 1000BaseX

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