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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
    :Jan 13, 2025

CompTIA CompTIA Certifications JK0-023 Questions & Answers

  • Question 1:

    Which of the following separates broadcast domains?

    A. Port mirroring

    B. Router

    C. Convergence

    D. Switch

  • Question 2:

    Zachf a network technicianf is confguring several switches to be managed remotely. Which of the following must be confgured to connect via SSH to each of those devicesf as well as to retrieve various parameters?

    A. PoE setngs and VTP confguraton

    B. SNMP confguraton only

    C. IP address and SNMP confguraton

    D. QoS and PoE setngs

  • Question 3:

    Lisaf a consultantf is inspectng an ofce that reports frequent wireless issues. Upon scanning the network broadcastng in the vicinity of the ofcef seven SSIDs are found. The companyns Wi-Fi network and three others all share channel six. Which of the following is MOST likely causing the issue?

    A. Frequency interference

    B. Low signal strength

    C. Standard mismatch

    D. Incorrect channel

  • Question 4:

    Jeff a technicianf is charged with setng up network monitoring for critcal devices in the network. It is important the informaton be sent securely to the monitoring staton. Which of the following protocols will support secure transmission of the data?

    A. SNMP v2

    B. VPN

    C. SYSLOG

    D. SMTP

  • Question 5:

    A Windows server has a problem afer bootng up. Kimf a technicianf should immediately check the:

    A. history logs.

    B. cron logs.

    C. applicaton logs.

    D. system logs.

  • Question 6:

    Kimf a userf cannot access the network using wireless. Which of the following is MOST likely the cause?

    A. TXRX is reversed

    B. Faulty crossover cable

    C. Incorrect WEP key

    D. A short in the cable pairs

  • Question 7:

    Jeff a technicianf needs multple networksf high speedsf and redundancy on a system. Which of the following confguratons should Jef consider for these requirements? (Select TWO).

    A. Routng table

    B. Next hop

    C. Port mirroring

    D. Port monitoring

    E. VLANs

  • Question 8:

    Zachf a technicianf discovers a switch is not communicatng with the other switches in a stack. Which of the following is the MOST likely cause?

    A. Both T568A and T568B standards are being used.

    B. STP is disabled.

    C. The cable is not a crossover.

    D. The port is not trunked.

  • Question 9:

    Zachf a technicianf suspects a duplicate IP address assignment on the network. Which of the following resources can be used to verify this problem?

    A. Network map

    B. Environmental monitor

    C. Placement map

    D. Syslog

  • Question 10:

    Which of the following 802.11n features allows for the use of multple simultaneous frequencies in order to increase usable bandwidth?

    A. Channel bonding

    B. MIMO

    C. Spatal reuse

    D. 20MHi channel spacing

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