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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 1001:

    Lisaf an administratorf is experiencing availability issues on a Linux server. She decides to check the server for an IP address confict on the server. Which of the following commands should Lisa use?

    A. traceroute
    B. tracert
    C. ifconfg
    D. ipconfg

  • Question 1002:

    A large corporate ofce is looking to place smaller network closets around campus to handle switching for remote workstatons. To which of the following is this referring?

    A. MDF
    B. VPN
    C. RDP
    D. IDF

  • Question 1003:

    A network administrator tests a multmode fber cable from end-to-end on a new link that is down and notces that the dB loss is -.09. Which of the following is the MOST likely cause?

    A. TXRX reversed
    B. dB loss too high
    C. dB loss too low
    D. Bad connectors

  • Question 1004:

    Annf a technicianf is installing network cables for an ofce building. Some of the cables are not showing actve on the switch even when moved to diferent ports. Which of the following is MOST likely the cause?

    A. Port speed mismatch
    B. Faulty F-connectors
    C. Bad wiring
    D. Bad switch

  • Question 1005:

    Which of the following is the broadcast address for a network defned as 192.168.0.0/24?

    A. 192.168.0.255
    B. 192.168.0.1
    C. 192.168.0.0
    D. 192.168.0.253

  • Question 1006:

    Which of the following defnes the range of IP addresses a DHCP server can assign?

    A. Scope
    B. Lease
    C. Reservaton
    D. Subnet

  • Question 1007:

    An administrator is able to list the interfaces on a switch afer providing the community string "public". Which of the protocols is the administrator MOST likely using?

    A. Telnet
    B. RADIUS
    C. SSH
    D. SNMP

  • Question 1008:

    A technician is unable to easily trace physical connectons within a network rack. Which of the following practces would save tme in the future?

    A. Change management
    B. Cable management
    C. Asset management
    D. Setng baselines

  • Question 1009:

    Which of the following is a requirement for bridging with 802.11a?

    A. WPA encrypton
    B. Governmental licenses
    C. High gain yagi antennas
    D. Clear line of sight

  • Question 1010:

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

    A. VLAN
    B. NAT
    C. PoE
    D. QoS

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