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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 1001:

    An administrator has added QoS setngs to the LAN switches prioritiing RTP. Which of the following systems is the Administrator MOST concerned with in this scenario?

    A. Phone communicatons

    B. Web site downloads

    C. Streaming video clients

    D. Client bitorrent abilites

  • Question 1002:

    An IP address is encapsulated at which of the following layers of the OSI model?

    A. Transport

    B. Data link

    C. Network

    D. Applicaton

  • Question 1003:

    Which of the following DNS records is used in conjuncton with 192:168::1:10?

    A. AAAA

    B. MX

    C. TXT

    D. PTR

  • Question 1004:

    A technician has narrowed down the cause of a problem to two possible sources. Which of the following should the technician do NEXT?

    A. Implement a soluton for both causes to be sure all possibilites are covered.

    B. Choose the more likely cause and test to confrm.

    C. Establish a plan of acton for each.

    D. Choose the less likely cause and test to eliminate.

  • Question 1005:

    Which IEEE protocol is used with VLAN technology?

    A. 802.11a

    B. 802.11b

    C. 802.1m

    D. 802.1q

  • Question 1006:

    Which of the following protocols uses port 3389 by default?

    A. RDP

    B. TFTP

    C. IMAP

    D. DNS

  • Question 1007:

    Which of the following describes the amount of tme it takes for a packet to transmit from one switch to another?

    A. Hop count

    B. Latency

    C. MTU limit

    D. Distance vector

  • Question 1008:

    A forward lookup ione converts which of the following?

    A. IP addresses to hostnames

    B. Hostnames to IP addresses

    C. MAC addresses to IP addresses

    D. IP Addresses to MAC addresses

  • Question 1009:

    Frame relay occurs at which of the following layers of the OSI model?

    A. Layer 1

    B. Layer 2

    C. Layer 4

    D. Layer 6

  • Question 1010:

    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

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