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 341:

    Which of the following network performance optmiiaton methods allows for frequently accessed sites to be housed locallyf thereby reducing bandwidth requirements?

    A. Load balancing
    B. Trafc policing
    C. Caching engines
    D. Trafc shaping

  • Question 342:

    A company wishes to have a wireless signal broadcast only through a specifc stretch of a highway tunnel. Which of the following measures will accomplish this?

    A. WPA encrypton
    B. MAC fltering
    C. Changing antenna type
    D. Decreasing radio strength

  • Question 343:

    In the 2.4GHi rangef which of the following channel combinatons are non-overlapping?

    A. 1f 6f 11
    B. 2f 7f 10
    C. 2f 8f 13
    D. 3f 6f 9

  • Question 344:

    A home user wishes to secure the wireless network using strong encryptonf so they decide to use AES. Which of the following would be used as the encrypton method?

    A. WEP
    B. CCMP
    C. TKIP
    D. CHAP

  • Question 345:

    Which of the following is used to embed the MAC address of an Ethernet interface in a corresponding IPv6 address?

    A. Subnet
    B. IANA prefx
    C. EUI-64
    D. Site-local

  • Question 346:

    A network administrator wants to monitor trafc by deploying MIBs. Which of the follow network monitoring resources would be used?

    A. SCTP
    B. Packet snifer
    C. DCCP
    D. SNMP

  • Question 347:

    Which of the following network access security methods ensures communicaton occurs over a securedf encrypted channelf even if the data uses the Internet?

    A. MAC fltering
    B. RAS
    C. SSL VPN
    D. L2TP

  • Question 348:

    Users in several departments are reportng connectvity problems. The technician examines the computer and fnds the following setngs. The IP address is 10.0.1.0 with a subnet mask of 255.255.252.0. The default gateway is 10.0.1.1 and the DNS server is 10.0.0.15. A user can connect to the internet but not servers on other internal subnets. The technician is not able to connect with a server with an IP of 10.0.2.25. Which of the following is MOST likely the problem?

    A. Default gateway
    B. Duplicate IP address
    C. Wrong DNS
    D. Subnet mask

  • Question 349:

    Kimf a network technicianf wants to use a packet analyier to troubleshoot a reported problem with a userns workstaton with IP address 192.168.1.45. To identfy the workstatonns packets Kim wants to use the workstatonns MAC address. Which of the following protocols would provide the needed informaton?

    A. DHCP
    B. ARP
    C. DNS
    D. PING

  • Question 350:

    A network administrator wants to see what ports are open on a server. Which of the following commands will show open ports?

    A. netstat
    B. tracert
    C. nbtstat
    D. nslookup

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