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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
    :Mar 27, 2025

CompTIA CompTIA Certifications JK0-023 Questions & Answers

  • Question 31:

    Kimf a network administratorf should consult which documentaton sources FIRST to determine the cause of recent network issues?

    A. Network map

    B. Cable management

    C. Change management

    D. Asset management

  • Question 32:

    Which of the following protocols is used to securely connect to a mult-layer switch?

    A. HTTP

    B. SMTP

    C. SSH

    D. Telnet

  • Question 33:

    Which of the following is the prefx for a link-local IPv6 address?

    A. FE80::/10

    B. FF00::/8

    C. 2FFE::/16

    D. FEEF:/12

  • Question 34:

    Lisaf a userf reports increased delays and tmeouts when trying to reach several Internet sites. Which of the following would MOST likely be used when investgatng the problem at Lisans workstaton?

    A. nslookup

    B. route

    C. nbtstat

    D. arp

  • Question 35:

    Two WAPs are positoned with overlapping coveragef but seamless roaming across them is not working. Which of the following should be checked?

    A. WPA should be enabled

    B. PKI should be turned of

    C. WAP SSIDs are matching

    D. WAPs are transmitng on same channel

  • Question 36:

    Which of the following technologies allows for redundant links within a Layer 2 segment?

    A. OSPF

    B. RIP

    C. Port Mirroring

    D. Spanning Tree

  • Question 37:

    Jeff a userf is having a problem with a POTS line. Which of the following tools would Jef use to make sure the phone lines have a dial tone?

    A. Loopback plugs

    B. But set

    C. Cable certfer

    D. Toner probe

  • Question 38:

    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

  • Question 39:

    Zachf a technicianf is checking newly installed CAT5e cablingf and suspects that some of the ends were not properly terminated. Which of the following tools will verify this?

    A. Cable tester

    B. Toner probe

    C. OTDR

    D. Loopback plug

  • Question 40:

    When using high bandwidth applicatons over multple WAN connectonsf which of the following should be used?

    A. Statc IP addressing

    B. Half-duplex

    C. PoE devices

    D. Load balancing

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