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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 641:

    Which of the following wireless standards can operate on the same frequency but are not compatble?

    A. 802.11a / 802.11b

    B. 802.11a / 802.11n

    C. 802.11b / 802.11g

    D. 802.11g / 802.11n

  • Question 642:

    An administrator has added four switches to a campus network. The switch in wiring closet A is only connected to the switch in wiring closet C. The switch in wiring closet B is connected to the switch in wiring closet C as well as wiring closet

    D. The switch in wiring closet D is only connected to the switch in wiring closet B. Which of the following topologies is represented in this design?

    A. Ring

    B. Star

    C. Bus

    D. Mesh

  • Question 643:

    Which of the following cable types is MOST commonly used with POTS?

    A. CAT3

    B. Multmode

    C. CAT6

    D. Coaxial

  • Question 644:

    An administrator would like to get more speed out of a wireless network. The administrator decides to confgure the AP with a frequency width of 40MHi. Which of the following features is the administrator MOST likely using?

    A. MIMO

    B. AP isolaton

    C. Channel bonding

    D. Burst mode

  • Question 645:

    Which of the following is a packet switching WAN technology?

    A. Frame relay

    B. T1

    C. Asynchronous transfer mode

    D. ISDN

  • Question 646:

    Which of the following wireless technologies only uses the 5GHi spectrum but reaches a theoretcal throughput of only 54Mbps?

    A. A

    B. B

    C. G

    D. N

  • Question 647:

    A technician is tasked with replacing some older RS-232 serial printers. Which of the following ports would the technician most likely fnd on these printers?

    A. BNC

    B. DB-9

    C. LC

    D. RJ-11

  • Question 648:

    Which of the following is used for SONET connectons and requires a wavelength of 1310nm?

    A. 10GBASECX4

    B. 10GBASELX4

    C. 10GBASELW

    D. 10GBASESR

  • Question 649:

    Which of the following is rated for speeds over 800Mbps?

    A. Coaxial

    B. DB-9

    C. CAT6

    D. CAT5e

  • Question 650:

    Which of the following standards can operate at 40MHi channel spacing?

    A. 802.11a

    B. 802.11b

    C. 802.11g

    D. 802.11n

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