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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 291:

    If a wireless key gets compromisedf which of the following would MOST likely prevent an unauthoriied device from getng onto the network?

    A. Device placement

    B. Wireless standard

    C. Encrypton type

    D. MAC fltering

  • Question 292:

    A user reports sporadic network outages. The user tells the administrator it happens afer approximately 20 minutes of work on an applicaton. The administrator should begin troubleshootng by checking which of the following?

    A. The IDS server logs

    B. The DNS resoluton tme

    C. The frewallns blocked logs

    D. The patch cable

  • Question 293:

    An administrator wants to translate an internal workstaton name to an IP address. Which of the following commands would be used?

    A. ifconfg

    B. nslookup

    C. netstat

    D. ipconfg

  • Question 294:

    Which of the following port numbers needs to be open on a frewall to allow FTP trafc?

    A. 21

    B. 22

    C. 23

    D. 25

  • Question 295:

    Which of the following is an advantage of dynamic routng?

    A. It can reroute connectvity in the event of failure.

    B. It is the simplest form of routng.

    C. The routes do not change.

    D. The setup and confguraton are done manually.

  • Question 296:

    203.50.5.0 is an example of which of the following network classes?

    A. Class A

    B. Class B

    C. Class C

    D. Class D

  • Question 297:

    A technician is looking to create a new network cable. Which of the following tools would assist in creatng and testng a cable properly? (Select TWO).

    A. Toner probe

    B. Cable certfer

    C. But set

    D. Crimper

    E. Network analyier

  • Question 298:

    A technician would like to connect two separate LAN networks at a small business for a short period of tmef to share fles. The connecton needs to be temporaryf and is physically impossible using standard network cabling. Which of the following is the BEST way to connect the networks in this situaton?

    A. Wireless repeater

    B. Wireless bridge

    C. Bluetooth

    D. RADIUS server

  • Question 299:

    Which of the following protocols can be implemented to provide encrypton during transmission between email gateways?

    A. TLS

    B. PPTP

    C. SSH

    D. HTTPS

  • Question 300:

    Which of the following wiring distributon is used to connect wiring from equipment inside a company to carrier cabling outside a building?

    A. 66 block

    B. IDF

    C. MDF

    D. Patch panel

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