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 511:

    Which of the following DNS record types will be used for mail transfer if the MX record is not found?

    A. CNAME
    B. A
    C. PTR
    D. AAAA

  • Question 512:

    PKI is a method of user authentcaton which uses which of the following?

    A. Various router commands
    B. Access control lists
    C. Certfcate services
    D. A RADIUS server

  • Question 513:

    Which of the following can a technician use when a company implements redundant WAN links?

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

  • Question 514:

    Which of the following BEST describes the point at which an ISPns responsibility for an Internet connecton ends?

    A. Router
    B. MDF
    C. IDF
    D. Demarc

  • Question 515:

    A user would like to connect two laptops together and transfer fles via the Ethernet ports. Which of the following should MOST likely be provided to the user to accomplish this?

    A. Crossover
    B. Rollover
    C. Loopback
    D. Straight cable

  • Question 516:

    Stateful packet inspecton is a security technology used by which of the following devices?

    A. Unmanaged switch
    B. Hardware frewall
    C. Bridge
    D. IDS

  • Question 517:

    Which of the following is used to assign an IP address to a device?

    A. DHCP
    B. NTP
    C. DNS
    D. RADIUS

  • Question 518:

    Which of the following port numbers is used for SNMP?

    A. 61
    B. 151
    C. 161
    D. 1611

  • Question 519:

    Which of the following commands can be used on a server to display IP informaton for a given interface?

    A. nbtstat
    B. dig
    C. ifconfg
    D. msconfg

  • Question 520:

    Which of the following technologies is used on cellular networks?

    A. Ethernet
    B. CDMA
    C. CSMA/CA
    D. POTS

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