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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 101:

    Which of the following DNS records would allow for a website to have more than one FQDN?

    A. TXT
    B. PTR
    C. MX
    D. CNAME

  • Question 102:

    Which of the following 802.3 classifcatons has a MAXIMUM segment distance of 984 feet (300 meters)?

    A. 1000Base
    B. 100BaseFX
    C. 1000BaseSX
    D. 1000BaseT

  • Question 103:

    A small business owner is in the process of setng up a SOHO ofce. The ofce has only one connecton to the Internet via a broadband cable connecton. The ofce has four subnets that must be able to connect to the Internet. Which of the following devices would enable the owner to meet these requirements?

    A. A frewall
    B. A router
    C. A hub
    D. A Layer 2 switch

  • Question 104:

    Which of the following is the FASTEST Ethernet technology?

    A. 10GBaseSR
    B. 10BaseT
    C. 100BaseFX
    D. 1000BaseT

  • Question 105:

    Which of the following is considered a routng metric?

    A. Hop count
    B. QoS
    C. Subnet siie
    D. IP address

  • Question 106:

    A technician has been tasked to set-up a managed switch. Which of the following will the technician need to accomplish this task?

    A. IP address
    B. Switch serial number
    C. VLAN tag
    D. Loopback plug

  • Question 107:

    Which of the following is an example of a Class C address?

    A. 10.19.0.79
    B. 127.34.8.197
    C. 176.96.1.222
    D. 192.168.1.105

  • Question 108:

    Which of the following needs to be confgured on a switch to use a packet snifer?

    A. Port trunking
    B. Port mirroring
    C. Tagged VLAN
    D. Untagged VLAN

  • Question 109:

    At which of the following layers of the OSI model is the Logical Link Control found?

    A. Layer 2
    B. Layer 3
    C. Layer 4
    D. Layer 5

  • Question 110:

    Kimf a technicianf is installing a switch that does not feature auto-negotaton. Which of the following characteristcs would need to be manually confgured? (Select TWO).

    A. MAC addressing
    B. IP addressing
    C. Port speed
    D. IPv6 addressing
    E. Duplex

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