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 541:

    A network technician is trying to run a protocol analyier and is instructed to record the chimney ofoad state of TCP. Which of the following utlites did the technician use to check this parameter with the output listed below?

    Querying actve state...

    TCP Global Parameters

    Receive-Side Scaling State : enabled Chimney Ofoad State : disabled Receive Window Auto-Tuning Level : normal Add-On Congeston Control Provider : ctcp ECN Capability : disabled RFC 1323 Timestamps : disabled

    A. net

    B. netstat

    C. nbtstat

    D. netsh

  • Question 542:

    Which of the following is used to ensure trafc fows efciently on multple T-1 circuits?

    A. DNS server

    B. Content flter

    C. Proxy server

    D. Load balancer

  • Question 543:

    Which of the following is used to limit the amount of bandwidth used on a link for diferent applicatons to improve overall performance?

    A. QoS

    B. Fault tolerance

    C. Load balancing

    D. Trafc shaping

  • Question 544:

    Which of the following tools would a technician use to terminate CAT6 wires to the inside of the wall jack?

    A. Toner probe

    B. Cable tester

    C. Punch down

    D. Crimper

  • Question 545:

    A network technician is concerned that a user is utliiing a company PC for fle sharing and using a large amount of the bandwidth. Which of the following tools can be used to identfy the IP and MAC address of the userns PC?

    A. System log

    B. History log

    C. Network snifer

    D. Nslookup

  • Question 546:

    Users are reportng that some Internet websites are not accessible anymore. Which of the following will allow the network administrator to quickly isolate the remote router that is causing the network communicaton issuef so that the problem can be reported to the appropriate responsible party?

    A. Ping

    B. Protocol analyier

    C. Tracert

    D. Dig

  • Question 547:

    Due to a recent change in company policyf all users managing network infrastructure devices must use SSH v2 and all administratve actvity must be collected on a central store. Which of the following should the network administrator deploy to comply with the new collecton requirements?

    A. Network intrusion detecton

    B. Trafc analysis tool

    C. Syslog server

    D. Network snifer

  • Question 548:

    Which of the following can be used to prioritie network streams to optmiie performance for certain trafc types?

    A. VLAN

    B. VPN

    C. QoS

    D. PoE

  • Question 549:

    An administrator is atemptng to troubleshoot a program that is unable to resolve IP addresses from FQDNs. Which of the following commands is used to check reverse DNS setngs?

    A. dig

    B. ifconfg

    C. nbtstat

    D. route

  • Question 550:

    Which of the following will allow a technician to monitor all network trafc when connected to a mirror port?

    A. VLAN tags

    B. SNMP

    C. Packet snifer

    D. Syslog

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