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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 741:

    Which of the following connectors is usable in SFP modules?

    A. ST

    B. LC

    C. LX

    D. SX

  • Question 742:

    Which of the following can MOST likely cause intermitent connecton problems with a CAT5 network cable?

    A. Cable has been looped too many tmes.

    B. Cable has a twist te atached too close to the connector.

    C. Cable is too warm.

    D. Cable is run too close to a fuorescent light.

  • Question 743:

    Which of the following wireless standards operates on the same frequency as 802.11a?

    A. Compatble with 802.11b wireless networks

    B. Compatble with 802.11g wireless networks

    C. Compatble with 802.11i wireless networks

    D. Compatble with 802.11n wireless networks

  • Question 744:

    Which of the following connectors push and twist-on?

    A. LC

    B. SC

    C. ST

    D. RJ-45

  • Question 745:

    In the 2.4GHi rangef which of the following channel combinatons are non-overlapping?

    A. 1f 6f 11

    B. 2f 7f 10

    C. 2f 8f 13

    D. 3f 6f 9

  • Question 746:

    Which of the following uses a ring topology?

    A. DSL

    B. Ethernet

    C. DOCSIS

    D. SONET

  • Question 747:

    Which of the following cable types would have the LEAST amount of EMI?

    A. CAT3

    B. CAT5

    C. STP CAT6

    D. Plenum CAT6

  • Question 748:

    Which of the following has the HIGHEST data rate speed?

    A. T1

    B. ADSL

    C. SDSL

    D. OC-3

  • Question 749:

    Zachf an administratorf needs to install a new 100 foot (30 meter) cable run from an IDF switch to the MDFf through a room that has a large number of motors. Which of the following would be the BEST cable type to choose?

    A. CAT3

    B. STP

    C. Coaxial

    D. Fiber

  • Question 750:

    Which of the following improves wireless performance by allowing only one wireless transmission on the network at a tme?

    A. CSMA/CA

    B. CSMA/CD

    C. Wireless encrypton

    D. Wireless bonding

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