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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
    :Mar 27, 2025

CompTIA CompTIA Certifications JK0-023 Questions & Answers

  • Question 51:

    Which of the following is the Telco end of a T1 demarc?

    A. Smart jack

    B. Network tap

    C. Proxy server

    D. IDF

  • Question 52:

    Which of the following can be used to limit wireless network access to a single computer?

    A. Confgure PPP

    B. Packet snifng

    C. MAC address fltering

    D. Omni-directonal antennas

  • Question 53:

    A network where all trafc feeds through a centraliied gateway uses which of the following topologies?

    A. Peer-to-peer

    B. Ring

    C. Bus

    D. Star

  • Question 54:

    A user cannot access the LAN afer working successfully most of the day. Which of the following should the network administrator check FIRST?

    A. VLAN setngs

    B. History logs

    C. Patch cable

    D. Port security

  • Question 55:

    Which of the following is a Class A IP address?

    A. 10.4.0.1

    B. 169.254.0.1

    C. 192.168.0.1

    D. 254.200.0.1

  • Question 56:

    Which of the following WAN technology types has the GREATEST latency?

    A. ISDN

    B. Fiber

    C. Satellite

    D. Cable

  • Question 57:

    Some visitors are unable to access the wireless network. The networkns wireless infrastructure is comprised of three diferent buildings with the confguratons listed below. Wireless network in Building A and C is used exclusively for internal employees and Building B is used for visitors and requires no additonal confguraton on their devices. Which of the following setngs would need to be modifed to provide wireless access to all visitors? Building A Building B Building C Channel: 2 Channel: 6 Channel: 11 Encrypton: WPA2 Encrypton: WPA2 Encrypton: WPA2

    A. Encrypton set to Open in all Buildings

    B. Encrypton set to Open in Building B

    C. Encrypton set to WEP in Building B

    D. Channel set to 11 in Building B

  • Question 58:

    Which of the following security methods is used to atract users atemptng to gain unauthoriied access to various systems within a single network?

    A. Network based IDS

    B. Firewall

    C. Network based IPS

    D. Honeynet

  • Question 59:

    Which of the following TCP ports are used by FTP? (Select TWO).

    A. 20

    B. 21

    C. 22

    D. 23

    E. 25

    F. 80

  • Question 60:

    Which of the following protocols is MOST commonly used for the transfer of router confguraton fles?

    A. SSL

    B. TFTP

    C. DNS

    D. IMAP

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