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 421:

    Which of the following propertes of DHCP would a technician use to ensure an IP address is not leased out from the actve scope?

    A. Reservatons
    B. Lease tmes
    C. Removing IPs from the actve leases
    D. Confguring the DNS optons

  • Question 422:

    Joef a remote userf has called the helpdesk with an issue on his machine. The technician would like to remote into the machine for troubleshootng but does not know the IP address or host name. Which of the following commands can the technician ask Joe to execute to gain this informaton?

    A. netstat
    B. ipconfg
    C. ping
    D. traceroute

  • Question 423:

    Lisaf a network administratorf wants to be able to block all already known malicious actvity. Which of the following would allow her to perform this actvity?

    A. Behavioral Based IDS
    B. Signature Based IDS
    C. Behavioral Based IPS
    D. Signature Based IPS

  • Question 424:

    A system administrator is implementng an IDS on the database server to see who is trying to access the server. The administrator relies on the sofware provider for what to detect. Which of the following would MOST likely be installed?

    A. Behavior based IDS
    B. Network based IDS
    C. Signature based IDS
    D. Honeypot

  • Question 425:

    A company has just installed a new network switch for an expanding department. The company is also pilotng the use of a VoIP phone system for this department. Which of the following should be enabled on the new network switch?

    A. WINS
    B. QoS
    C. NAT
    D. DHCP

  • Question 426:

    Which of the following protocols is used to allow multple hosts to share a common IP address?

    A. HTTPS
    B. ARP
    C. CARP
    D. NAT

  • Question 427:

    Which of the following security appliances would be used to only analyie trafc and send alerts when predefned paterns of unauthoriied trafc are detected on the network?

    A. Host based IPS
    B. Network based frewall
    C. Signature based IDS
    D. Behavior based IPS

  • Question 428:

    Which of the following is used to create a secure connecton between a client and a host?

    A. VLAN
    B. Proxy server
    C. IIS server
    D. VPN

  • Question 429:

    Lisaf an administratorf wants to limit the wireless guest network trafc to 100Kbps so that utliiaton issues do not occur on the companyns T1 Internet access network. Which of the following optmiiatons should Lisa implement?

    A. Load balancing
    B. Caching engine
    C. Trafc shaping
    D. Quality of service

  • Question 430:

    Zachf a userf on a network cannot access any network resources. The link light on his computer shows that a connecton is present. Which of the following is the MOST likely cause of the problem?

    A. The wrong cable type has been used.
    B. IDS has shut down the computerns switch port.
    C. The port on the switch is confgured incorrectly.
    D. Spanning tree protocol was implemented.

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