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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 631:

    A company has recently allowed its employees to telecommute two days a week. The employees MUST have a minimum of 1Mbps non-shared connecton to the Internet. Which of the following MUST the employees have at their home in order to connect to the Internet?

    A. ISDN
    B. Cable modem
    C. DSL
    D. Dial-up networking

  • Question 632:

    Which of the following connector types is only used with copper media?

    A. ST
    B. SC
    C. MTRJ
    D. DB-9

  • Question 633:

    A recent food in the ofce caused a lot of equipment to be damaged and the manager of the IT department would like a way to prevent such an incident in the future. Which of the following is the BEST way to mitgate such an equipment failure?

    A. Reduce the power input on the replacement servers.
    B. Cover the servers with plastc tarps.
    C. Purchase twice as many servers to create high availability clusters.
    D. Transfer the replacement servers ofsite to a data center.

  • Question 634:

    In order for switching loops to be automatcally disabledf which of the following needs to be implemented?

    A. Routng tables
    B. Collision domains
    C. Port mirroring
    D. Spanning-tree protocol

  • Question 635:

    Which of the following is an example of a CSMA/CD medium?

    A. WEP
    B. SONET
    C. Token ring
    D. Ethernet

  • Question 636:

    Which of the following protocols are used to view and send mail from a local host of of a remote server? (Select TWO).

    A. TFTP
    B. SNMP
    C. POP3
    D. IMAP4
    E. SFTP

  • Question 637:

    Which of the following VPN technologies uses IKE and ISAKMP for key exchange?

    A. SSL
    B. IPSec
    C. L2TP
    D. PPTP

  • Question 638:

    A network technician visits a site that needs voice connectvity to the corporate ofce and installs four IP phones. The phone exchange resides at the telephone company. Which of the following technologies is being used?

    A. Virtual switch
    B. Virtual server
    C. Virtual desktop
    D. Virtual PBX

  • Question 639:

    Karenf a network administratorf is confguring a switch with an LACP port group for uplink. She plugs in the secondary uplink of the groupf and shortly thereafer receives widespread reports that the network is malfunctoning. Which of the following is MOST likely the cause?

    A. A network loop was created due to a misconfguraton of the port group.
    B. The port on the switch for the new secondary link was never enabled.
    C. The LACP group was mistakenly confgured to do layer 2 + 3 + 4 hashing for its link balancing.
    D. The LACP group was only confgured to do layer 2 hashing for its link balancing.

  • Question 640:

    Which of the following regulates the amount of network trafc a single node receives in a server cluster?

    A. Load balancer
    B. Proxy server
    C. Content flter
    D. Quality of service

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