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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 991:

    Which of the following are considered unsecure access methods? (Select TWO).

    A. FTP

    B. IPSec

    C. RCP

    D. SCP

    E. SFTP

  • Question 992:

    Which of the following uses a 128-bit addressing scheme?

    A. MAC

    B. DHCP

    C. IPv4

    D. IPv6

  • Question 993:

    Which of the following diferentates a layer 3 switch from a layer 2 switch?

    A. Routng

    B. Bridging

    C. Switching

    D. Repeatng

  • Question 994:

    Which of the following TCP/IP model layers combines four OSI model layers?

    A. Applicaton Layer

    B. Internet Layer

    C. Transport Layer

    D. Network Interface Layer

  • Question 995:

    An administrator has created several virtual machines on the same host server and requires them to each be on separate VLANs. Which of the following should the administrator confgure to meet this goal?

    A. Set the VLAN preferences on the host's NIC

    B. Create each VLAN on the host's virtual switch

    C. Change the virtual machine NIC setngs from private to bridged

    D. Create each VLAN on the host's gateway router

  • Question 996:

    Which of the following is the minimum subnet mask to allow 172.16.1.5 and 172.16.4.3 to be on the same subnet?

    A. /19

    B. /21

    C. /22

    D. /24

  • Question 997:

    A technician has resolved a tcket to fx a userns printer and has verifed that the user is able to print with no issues. Which of the following acton steps should the technician perform FIRST?

    A. Document fndings and outcomes

    B. Establish a theory of probably cause

    C. Upgrade the printer drivers

    D. Close out the service tcket

  • Question 998:

    Which of the following is used to describe trunking VLANs on a network?

    A. 802.11a

    B. 802.11i

    C. 802.1q

    D. 802.1x

  • Question 999:

    A company would like their technicians to be able to connect to employee desktops remotely via RDP. Which of the following default port numbers need to be opened on the frewall to support this?

    A. 143

    B. 443

    C. 3389

    D. 8080

  • Question 1000:

    At which of the following layers do IP addresses exist?

    A. TCP/IP model Internet layer

    B. OSI model Data Link layer

    C. TCP/IP model Transport layer

    D. OSI model Physical layer

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