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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
    :Jul 06, 2025

CompTIA CompTIA Certifications JK0-023 Questions & Answers

  • Question 671:

    Which of the following fber types is MOST ofen used indoors?

    A. Plenum

    B. Modal conditoning

    C. Multmode

    D. Singlemode

  • Question 672:

    Kurtf a technicianf notces a newly installed CAT5 cable is longer than the standard maximum length. Which of the following problems would this MOST likely cause?

    A. Split cable

    B. EMI

    C. DB loss

    D. Crosstalk

  • Question 673:

    Afer Karenf a new userf moves furniture into a cubiclef the computer does not connect to the network any longer. Which of the following would be the MOST likely reason? (Select TWO).

    A. Bad Ethernet switch port

    B. TX/RX reversed

    C. Bad connectors

    D. Bad patch cable

    E. Mismatched MTU

  • Question 674:

    Afer running a CAT6 cable from the maintenance ofce 80 foors above the network closetf users are reportng lack of connectvity. Which of the following is the MOST likely cause?

    A. Cable placement

    B. Crosstalk

    C. Bad wiring

    D. Cable length

  • Question 675:

    The ISP needs to terminate the WAN connecton. The connecton should be located in the network server room where the company LAN equipment resides. Which of the following identfes the locaton?

    A. Smart jack

    B. MDF

    C. VPN

    D. 66 block

  • Question 676:

    Which of the following technologies can cause interference for 802.11g?

    A. RADAR

    B. 802.11a

    C. IrDA

    D. Bluetooth

  • Question 677:

    Which of the following would the telecommunicatons carrier use to segregate customer trafc over long fber links?

    A. VLAN

    B. MPLS

    C. VPN

    D. PSTN

  • Question 678:

    CAT6 Ethernet cabling has a rated maximum transmission capability of:

    A. 10Mbps

    B. 100Mbps

    C. 20f000Mbps

    D. 10f000Mbps

  • Question 679:

    Joef a network technicianf needs to connect to a computer in a factory environment 250 meters (820 feet) from the IDF. Which of the following LAN technologies would be BEST to use?

    A. 100BaseFX

    B. 10GBaseT

    C. MPLS

    D. Coaxial

  • Question 680:

    A userns new computer is not able to connect to the network at all. Upon further investgatonf Karenf the administratorf fnds that the wall jack is terminated with a 568B confguraton. Afer locatng the correct cable in the IDFf which of the following is the MOST likely cause of the problem?

    A. Other end of the cable is terminated with a 568B confguraton

    B. Trunk port on the switch is disabled

    C. Other end of the cable is terminated with a 568A confguraton

    D. Wall jack needs to be replaced with a smart jack

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