Exam Details

  • Exam Code
    :JK0-023
  • Exam Name
    :CompTIA Network+
  • Certification
    :CompTIA Certifications
  • Vendor
    :CompTIA
  • Total Questions
    :1112 Q&As
  • Last Updated
    :Jun 03, 2025

CompTIA CompTIA Certifications JK0-023 Questions & Answers

  • Question 841:

    A company has multple WAPs within close proximity to each other to allow users to move about seamlessly through the building with their laptopsf without losing any connecton. Howeverf this has had the opposite efectf causing any user that is close to two of the access points to constantly reconnect to the wireless network. Which of the following should be changed on all the WAPs to allow this to work as the customer intended?

    A. Change the SSID to be unique for each WAP.

    B. Change the antenna directon to be unique for each WAP.

    C. Change the encrypton method to be unique for each WAP.

    D. Change the channel to be unique for each WAP.

  • Question 842:

    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 843:

    A technician needs to make a web server with a private IP address reachable from the Internet. Which of the following should the technician implement on the company frewall?

    A. DOCSIS

    B. NAT

    C. CIDR

    D. VPN

  • Question 844:

    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 845:

    Users have contacted the helpdesk statng that they have been having difcultes staying connected to the wireless network. They report that their laptops connect to one access pointf drop the connecton and then connect to a diferent access point in a never-ending cycle. Which of the following would BEST remediate this?

    A. Reconfgure the access points from 802.11b to 802.11g.

    B. Establish procedures which limit user connectons during peak hours.

    C. Confgure the access points so that they all use diferent SSIDs.

    D. Move one or more access pointsf minimiiing signal overlap.

  • Question 846:

    Afer deploying a network switchf the network administrator is unable to remotely administer the device. The network administrator notces that the switch has the following confguraton. Which of the following is the MOST likely cause of this issue? Management LAN: 192.168.10.0/24 Management interface: 192.168.10.2 255.255.255.0 Default gateway: 192.168.11.1 STP is enabled

    A. VLAN assignment

    B. Wrong subnet mask

    C. Switching loop

    D. Wrong gateway

  • Question 847:

    A technician needs to setup an Internet connecton for a small ofce. There are fve users that need the ability to use email and do online research. The ofce manager wants the connecton to be always on and be as inexpensive as possible. Which of the following would BEST ft the needs of this ofce?

    A. Broadband

    B. T1

    C. Frame Relay

    D. Satellite

  • Question 848:

    Which of the following DHCP optons is used to exclude IP addresses from being distributed to other computers?

    A. Reservatons

    B. Sufxes

    C. Leases

    D. Gateways

  • Question 849:

    A user is unable to communicate with any local network resourcesf but is connected to the wireless network and can access the Internet. The network technician notces that the laptop has an incorrect IP addressf even though it shows it is connected. Which of the following is the MOST likely cause?

    A. Signal strength

    B. Interference

    C. AP placement

    D. Incorrect SSID

  • Question 850:

    A small company has a single mult-layer switch. The company currently has all network devices on the same subnet but would like to switch the servers to another subnet for security reasons. The company cannot budget any more money to purchase additonal hardware. Which of the following features should be used to achieve the new company requirements?

    A. PAT

    B. PoE

    C. VLAN

    D. QoS

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