1. Home
  2. CompTIA
  3. JK0-023

CompTIA Network+

Exam Details

  • Exam Code
    :JK0-023
  • Exam Name
    :CompTIA Network+
  • Certification
    :CompTIA Certifications
  • Vendor
    :CompTIA
  • Total Questions
    :1112 Q&As
  • Last Updated
    :Jun 19, 2025

CompTIA CompTIA Certifications JK0-023 Questions & Answers

  • Question 781:

    Which of the following technologies has more non-overlapping channels to utliie in a wireless LAN?

    A. 802.11a

    B. 802.11b

    C. 802.11i

    D. Bluetooth

  • Question 782:

    A technician is installing a switch that will be used for VoIP and data trafc. The phones do not support the 802.3af standard. Which of the following should the technician confgure on the switch?

    A. VLAN

    B. PoE

    C. VTP

    D. QoS

  • Question 783:

    Which of the following do DHCP servers provide to requestng devices on the network? (Select TWO).

    A. Encrypton

    B. Leases

    C. SSID

    D. Channels

    E. Sufxes

    F. VLAN assignments

  • Question 784:

    An administrator can use packet tags to confgure which of the following?

    A. VLAN

    B. NAT

    C. PoE

    D. QoS

  • Question 785:

    A network administrator needs to ensure there is no same channel interference for an 802.11n deployment with four WAPs. Which of the following channel setng confguratons meets this criteria when using 40 MHi channels?

    A. 36f 40f 44f 48

    B. 36f 44f 52f 60

    C. 36f 44f 48f 52

    D. 36f 48f 60f 64

  • Question 786:

    A stateful point to point wireless connecton going down for a few hours at a tme is MOST likely due to which of the following?

    A. Interference

    B. Confguraton

    C. Incorrect MTU siie

    D. Incorrect IP

  • Question 787:

    An administrator notces that a computer on the network is unable to reach any of the servers by hostname. The computer has connectvity to the network and is able to ping all the devices by IP address. Which of the following can cause the error?

    A. The workstaton has a duplicate IP address.

    B. The workstaton has been assigned to the wrong VLAN.

    C. The workstaton has the wrong gateway confgured.

    D. The workstaton has the wrong DNS confgured.

  • Question 788:

    A user has three diferent subnets in an ofce. Which of the following can be confgured to allow two of the subnets to communicate directly with each other at the switch level?

    A. 802.1af

    B. 802.1q

    C. 802.1x

    D. 802.2

  • Question 789:

    A SOHO company just installed new 802.11a wireless APs. All company laptops have gigabit LAN ports along with wireless-g cards. Which of the following is the issue with this setup?

    A. The laptops will have a max wireless speed of 300Mbps

    B. The wired network is likely not backwards compatble with the gigabit LAN ports on the laptops

    C. The wireless system will only functon at a slow 11Mbps

    D. The laptops are only capable of functoning on 2.4GHi spectrum

  • Question 790:

    Which of the following is the BEST network confguraton to use if the technician wants to send all outgoing trafc to the external router?

    A. ACLs

    B. Statc routng

    C. Trunking

    D. SNMP strings

Related Exams:

Tips on How to Prepare for the Exams

Nowadays, the certification exams become more and more important and required by more and more enterprises when applying for a job. But how to prepare for the exam effectively? How to prepare for the exam in a short time with less efforts? How to get a ideal result and how to find the most reliable resources? Here on Vcedump.com, you will find all the answers. Vcedump.com provide not only CompTIA exam questions, answers and explanations but also complete assistance on your exam preparation and certification application. If you are confused on your JK0-023 exam preparations and CompTIA certification application, do not hesitate to visit our Vcedump.com to find your solutions here.