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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
    :Jul 06, 2025

CompTIA CompTIA Certifications JK0-023 Questions & Answers

  • Question 591:

    A user has network connectvity per the link lights on the NICf but cannot access any network resources or the Internet. Which of the following commands should the technician run FIRST?

    A. arp

    B. ipconfg

    C. tracert

    D. route

  • Question 592:

    Which of the following basic devices blocks ports and can sometmes flter data?

    A. Repeater

    B. Hub

    C. Firewall

    D. Switch

  • Question 593:

    Lisaf an administratorf wants to limit the wireless guest network trafc to 100Kbps so that utliiaton issues do not occur on the companyns T1 Internet access network. Which of the following optmiiatons should Lisa implement?

    A. Load balancing

    B. Caching engine

    C. Trafc shaping

    D. Quality of service

  • Question 594:

    Which of the following network appliances can BEST be described as allowing multple servers to share requests for a website through the same public IP address?

    A. VPN concentrator

    B. Content flter

    C. Load balancer

    D. Proxy server

  • Question 595:

    Kimf a technicianf needs to test if domain name resoluton is functoning properly. Which of the following sofware tools would she use to accomplish this? (Select TWO).

    A. arp

    B. dig

    C. route

    D. nslookup

    E. netstat

  • Question 596:

    Lisaf an administratorf is experiencing availability issues on a Linux server. She decides to check the server for an IP address confict on the server. Which of the following commands should Lisa use?

    A. traceroute

    B. tracert

    C. ifconfg

    D. ipconfg

  • Question 597:

    Kimf a network technicianf needs to identfy the MAC address of a device that is creatng broadcast storms on the network. Which of the following tools will provide the needed informaton?

    A. History logs

    B. Network snifer

    C. Network maps

    D. Trafc shaping

  • Question 598:

    Zachf a new network technicianf is monitoring network trafc and notces the network is operatng at 80% of capacity. Which of the following could be used to determine if this is abnormally high trafc use?

    A. Network maps

    B. Cable management documentaton

    C. Wire schemes

    D. Baseline

  • Question 599:

    Users report that their Internet connecton is slow. Zachf the network technicianf has a suspicion that users are streaming video and music. Which of the following would BEST confrm Zachns theory?

    A. Trafc analysis

    B. SNMP

    C. History logs

    D. System logs

  • Question 600:

    Teachers and students at a school currently share the same bandwidth. The Internet performance for the teachers in the classroom is becoming extremely slow. Which of the following is the BEST method to mitgate the issue?

    A. Increased uptme

    B. Caching engines

    C. Trafc shaping

    D. Load balancing

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