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CompTIA Network+

Exam Details

  • Exam Code
    :JK0-023
  • Exam Name
    :CompTIA Network+
  • Certification
    :CompTIA Certifications
  • Vendor
    :CompTIA
  • Total Questions
    :1112 Q&As
  • Last Updated
    :Apr 12, 2025

CompTIA CompTIA Certifications JK0-023 Questions & Answers

  • Question 241:

    A network technician is confguring a wireless network. To avoid interference from other wireless networks in the areaf the technician should change which setng?

    A. Channel

    B. SSID

    C. Firewall rule

    D. Encrypton

  • Question 242:

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

    A. DHCP

    B. NTP

    C. DNS

    D. RADIUS

  • Question 243:

    Which of the following protocols is used to transmit outgoing email?

    A. RDP

    B. NTP

    C. POP3

    D. SMTP

  • Question 244:

    The Transport Layer of the TCP/IP model corresponds to which of the following layers of the OSI model?

    A. 1

    B. 3

    C. 4

    D. 5

  • Question 245:

    Which of the following is used to provide hot standby capabilites using paired routers?

    A. CARP

    B. L2TP

    C. PPTP

    D. ISAKMP

  • Question 246:

    Which of the following devices exist as either hardware or sofware to assist in routng trafc? (Select TWO).

    A. Cable modem

    B. Layer 2 switch

    C. Router

    D. NIDS

    E. Layer 3 switch

  • Question 247:

    Which of the following wireless parameters may need to be modifed when a new cordless telephone is installed?

    A. Encrypton type

    B. SSID

    C. IP address

    D. Channel

  • Question 248:

    A technician discovers that a malware infecton has damaged part of the Windows TCP/IP stack. Which of the following commands can help repair the damage?

    A. netsh lan

    B. netsh interface

    C. netsh wlan

    D. netsh winsock

  • Question 249:

    Which of the following can be confgured on a managed network switch to send real tme alerts to a technician?

    A. SSID

    B. SMTP

    C. SNMP

    D. Syslog

  • Question 250:

    In a newly installed LANf the network administrator receives many calls about intermitent or slow connectvity to the authentcaton server. Which of the following could cause this problem? (Select TWO).

    A. VLAN confguraton error

    B. Cables too short

    C. Cable crosstalk

    D. Incorrect channel

    E. EMI

    F. Wrong subnet mask

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