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CompTIA JK0-023 Online Practice Questions and Exam Preparation

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 461:

    Which of the following should be installed to prevent inappropriate websites from being viewed?

    A. Load balancer
    B. VPN concentrator
    C. Content flter
    D. Proxy server

  • Question 462:

    Which of the following subnet masks would allow for 192.168.0.3 and 192.168.0.240 to be in the same subnet?

    A. 255.255.255.0
    B. 255.255.255.128
    C. 255.255.255.192
    D. 255.255.255.248

  • Question 463:

    Which of the following is the defniton of a DNS server?

    A. Hosts proprietary business applicatons
    B. Translates FQDNns to IP addresses
    C. Provides network IDS/IPS security
    D. Assigns IP addresses to network devices

  • Question 464:

    An administrator edits the network frewall confguraton. Afer editng the confguratonf the administrator logs the date and tme of the edit and why it was performed in the frewall documentaton. Which of the following BEST describes these actons?

    A. Asset management
    B. Baselines
    C. Network maps
    D. Change management

  • Question 465:

    Which of the following is used to prevent Layer 2 switching loops within a local area network?

    A. STP
    B. MTU
    C. EGP
    D. IGP

  • Question 466:

    The unit responsible for the successful shaping and transmission of a digital signal is called:

    A. demarc.
    B. T1 hub.
    C. smart jack.
    D. CSU/DSU.

  • Question 467:

    Which of the following LAN technologies is used to provide a MAXIMUM bandwidth of 1Gbps through single mode fber?

    A. 10GBaseLR
    B. 100BaseFX
    C. 100BaseTX
    D. 1000BaseX

  • Question 468:

    A consultant has been hired to wire a simple small ofce of ten computers to a layer 2 Ethernet 100BaseT switch. Which of the following cabling will be needed for the installaton?

    A. Multmode fber
    B. RG-59 coaxial
    C. CAT6a
    D. CAT3

  • Question 469:

    A technician is implementng a wireless network at a small business. The business already has a certfcate authority and RADIUS server that they would like the technician to integrate with the wireless network. Additonallyf the business would like to utliie their legacy 802.11b TKIP printers. Which of the following confguratons should the technician use?

    A. 802.11a with WPA2-Enterprise
    B. 802.11n with WPA-PSK
    C. 802.11n with WPA2-PSK
    D. 802.11g with WPA-Enterprise

  • Question 470:

    Which of the following network optmiiaton methods would be BEST to implement to increase bandwidth for an internal streaming video server?

    A. ISDN
    B. QoS
    C. Upgrade to 10baseT
    D. Bufer overfow

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