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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 981:

    The ISP needs to terminate the WAN connecton. The connecton should be located in the network server room where the company LAN equipment resides. Which of the following identfes the locaton?

    A. Smart jack
    B. MDF
    C. VPN
    D. 66 block

  • Question 982:

    Which of the following ports would have to be allowed through a frewall to allow SNMP trafc to pass on its default port? (Select TWO).

    A. 22
    B. 23
    C. 143
    D. 161
    E. 162
    F. 8080

  • Question 983:

    Which of the following wireless standards is capable of ONLY operatng on 5.8GHi?

    A. 802.11a
    B. 802.11b
    C. 802.11g
    D. 802.11n

  • Question 984:

    Which of the following network devices restricts trafc based on wordsf signaturesf and URLs?

    A. Layer 2 switch
    B. Content flter
    C. Load balancer
    D. Trafc analyier

  • Question 985:

    Which of the following cable types would have the LEAST amount of EMI?

    A. CAT3
    B. CAT5
    C. STP CAT6
    D. Plenum CAT6

  • Question 986:

    The network technician needs to install fber cabling to connect two buildings less than 984 feet (300 meters) apart. Which of the following fber types should be installed?

    A. Singlemode
    B. Multmode
    C. Crossover
    D. F-Connector

  • Question 987:

    Afer Karenf a new userf moves furniture into a cubiclef the computer does not connect to the network any longer. Which of the following would be the MOST likely reason? (Select TWO).

    A. Bad Ethernet switch port
    B. TX/RX reversed
    C. Bad connectors
    D. Bad patch cable
    E. Mismatched MTU

  • Question 988:

    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 989:

    A company wants to have a security ione to isolate trafc within the frewall. Which of the following could be used?

    A. VPN
    B. ACL
    C. DMZ
    D. VLAN

  • Question 990:

    A network administrator is reviewing logs and notces that a device with a public IP address is trying to access the web server RDP port. Which of the following tools can be used to resolve the domain of the public IP address?

    A. arp
    B. nslookup
    C. ipconfg
    D. netstat

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