JK0-023 Exam Details

  • Exam Code
    :JK0-023
  • Exam Name
    :CompTIA Network+
  • Certification
    :CompTIA Certifications
  • Vendor
    :CompTIA
  • Total Questions
    :1112 Q&As
  • Last Updated
    :May 31, 2026

CompTIA JK0-023 Online Questions & Answers

  • Question 201:

    A small ofce is looking to deploy wireless to cover one half of the work area only. The technician is restricted to suspending the WAP in the middle of the ofce due to network jack limitatons. Which of the following antenna types would BEST meet these requirements?

    A. Dipole
    B. Parabolic
    C. Directonal
    D. Omni-directonal

  • Question 202:

    Which of the following would be used on a network to ensure access to resources if a critcal host becomes unavailable?

    A. QoS
    B. CARP
    C. VLAN
    D. DHCP server

  • Question 203:

    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 204:

    A technician is troubleshootng authentcaton issues on a server. It turns out the clock on the server was 72 minutes behind. Setng the clock to the correct tme fxed the issue. Given the scenariof which of the following authentcaton methods was being used?

    A. Kerberos
    B. CHAP
    C. TACACS+
    D. RADIUS

  • Question 205:

    Which of the following hardware tools would MOST likely be used to verify Layer 1 connectvity?

    A. Multmeter
    B. Loopback plug
    C. Cable certfer
    D. CAT3 coupler

  • Question 206:

    A network administrator has been assigned the 192.168.2.64/26 network and assigns the following computerns IP addresses:

    192.168.2.70

    192.168.2.100

    192.168.2.125

    192.168.2.130

    When the administrator tries to ping the other computers from 192.168.2.130f an ECHO REPLY is not received. Which of the following must the network administrator do?

    A. Change the IP of 192.168.2.130 to 192.168.1.128.
    B. Change the IP of 192.168.2.130 to 192.168.2.126.
    C. Change the default gateway of 192.168.2.130 accordingly.
    D. Reconfgure the switch for the right VLAN.

  • Question 207:

    Jeff a technicianf has been asked to add a subnet to the companyns LAN. Which of the following interfaces on the router will be modifed?

    A. FastEthernet 0/0
    B. AUX 0
    C. Console 0
    D. Serial 0/0/0

  • Question 208:

    A customer has requested that a new piece of network equipment be installed so that the customer can have multple subnets for each departmentf but allow network trafc from each department to reach one another without the use of a router. Which of the following network devices would satsfy this customerns requirements?

    A. Packet flter
    B. Layer 3 switch
    C. Stateful frewall
    D. Wireless bridge

  • Question 209:

    At which layer of the OSI and TCP/IP model would HTTP and FTP be found?

    A. Applicaton
    B. Network
    C. Session
    D. Data Link

  • Question 210:

    Which of the following is a common connector used on a coaxial cable?

    A. RJ-45
    B. DB-25
    C. BNC
    D. LC

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