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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 571:

    Which of the following commands will provide an administrator with the number of hops a packet takes from host to host?

    A. nslookup

    B. ping

    C. traceroute

    D. route

  • Question 572:

    An organiiaton fnds that most of the outgoing trafc on the network is directed at several Internet sites viewed by multple computers simultaneously. Which of the following performance optmiiaton methods would BEST alleviate network trafc?

    A. Load balancing internal web servers

    B. Redundant network resources

    C. Implement fault tolerance on the WAN

    D. Implement caching engines

  • Question 573:

    A userns workstaton is experiencing multple errors when trying to open programs. Which of the following log fles should the technician review to assist in troubleshootng these errors?

    A. History Log

    B. Applicaton Log

    C. System Log

    D. Security Log

  • Question 574:

    A newly hired technician is sent to an alternate site to complete the build out of large scale LAN. Which of the following tools should the technician have on hand to install the bulk CAT6 cable? (Select TWO).

    A. Loopback plug

    B. Multmeter

    C. OTDR

    D. Crimper

    E. Cable tester

    F. TDR

  • Question 575:

    Which of the following performance benefts would multple domain controllers BEST provide?

    A. Fault tolerance

    B. Caching engine

    C. Proxy server

    D. Quality of service

  • Question 576:

    Which of the following features can BEST be used to facilitate authoriied remote access to a network?

    A. VPN concentrator

    B. Proxy server

    C. Content flter

    D. Load balancer

  • Question 577:

    Which of the following is a specialiied piece of hardware designed to encrypt and decrypt user trafc?

    A. Proxy server

    B. TDR

    C. Smart jack

    D. VPN concentrator

  • Question 578:

    A technician is troubleshootng a computer that will not connect to the Internet. The PC is connected to the network. Which of the following tools should the technician use FIRST to understand the NIC confguraton?

    A. Protocol analyier

    B. ipconfg

    C. nslookup

    D. tracert

  • Question 579:

    Which of the following commands can a network technician use to check whether the DNS server for a given domain is reachable?

    A. nmap

    B. nbtstat

    C. dig

    D. arp

  • Question 580:

    Which of the following would MOST likely be used by a network administrator to test DNS resoluton?

    A. dig

    B. ipconfg

    C. netstat

    D. nbtstat

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