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 1051:

    Which of the following would Joef a technicianf use for a service that needs fast communicaton and is unafected by packet loss?

    A. UDP
    B. ARP
    C. ICMP
    D. TCP

  • Question 1052:

    Which of the following technologies could be implemented to improve call clarity when using VoIP technology?

    A. Statc IP addressing
    B. Caching engines
    C. QoS
    D. Port forwarding

  • Question 1053:

    Several mobile users from various areas are reportng intermitent connectvity issues. Which of the following is the MOST likely cause?

    A. Encrypton strength
    B. SSID mismatch
    C. Interference
    D. Incompatble NIC

  • Question 1054:

    Which of the following has the LEAST amount of collisions in a domain?

    A. Bridge
    B. Hub
    C. Repeater
    D. Switch

  • Question 1055:

    Which of the following connectors is used on a coaxial cable?

    A. F
    B. LC
    C. RJ-11
    D. ST

  • Question 1056:

    Afer a new frewall is installedf users report that they do not have connectvity to the Internet. The output of the ipconfg command shows an IP address of 169.254.0.101. Which of the following ports would need to be opened on the frewall to allow the users to obtain an IP address? (Select TWO).

    A. UDP 53
    B. UDP 67
    C. UDP 68
    D. TCP 53
    E. TCP 67
    F. TCP 68

  • Question 1057:

    Which of the following technologies can change channel widths?

    A. 802.11a
    B. 802.11b
    C. 802.11n
    D. Bluetooth

  • Question 1058:

    Which of the following will prevent switching loops by selectvely shutng down switch ports?

    A. RIP
    B. IGP
    C. STP
    D. VLAN

  • Question 1059:

    Which of the following devices will allow Lisaf a userf to see a cached copy of websites?

    A. Content switch
    B. DNS server
    C. Proxy server
    D. Load balancer

  • Question 1060:

    Which of the following is a link state routng protocol?

    A. RIPv2
    B. BGP
    C. IS-IS
    D. RIP

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