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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 331:

    Which of the following is an example of asymmetric encrypton?

    A. PKI

    B. SHA1

    C. AES

    D. 3DES

  • Question 332:

    A network administrator is considering implementaton of network access restrictons based upon layer two addressing informaton. Which of the following describes this method of network restrictons?

    A. MAC fltering

    B. Port fltering

    C. IP fltering

    D. ACL fltering

  • Question 333:

    Which of the following security protocols would BEST protect a connecton to a remote email server and ensure full integrity of all transmited email communicaton?

    A. TLS 1.2

    B. SNMPv3

    C. WPA2

    D. SMTP

  • Question 334:

    Which of the following should be mitgated by employing proper coding techniques when developing sofware?

    A. Distributed denial of service atacks

    B. Bufer overfows

    C. War driving

    D. Packet snifng

  • Question 335:

    Which of the following security appliances would be used to only analyie trafc and send alerts when predefned paterns of unauthoriied trafc are detected on the network?

    A. Host based IPS

    B. Network based frewall

    C. Signature based IDS

    D. Behavior based IPS

  • Question 336:

    A network technician has recently discovered rogue devices on their network and wishes to implement a security feature that will prevent this from occurring. Which of the following will prevent unauthoriied devices from connectng to a network switch?

    A. Implement 802.11i on all switches in the network.

    B. Implement port security on all computers in the company.

    C. Implement port security on all switches in the network.

    D. Implement rules on the frewall to block unknown devices.

  • Question 337:

    A SOHO had their wireless network breached on several occasions. The user turned of the SSID and enabled WEP encryptonf but breaches are stll occurring. Which of the following will improve security and MOST likely prevent future breaches?

    A. Turn down the signal strength

    B. Replace the WAP and enable WEP

    C. Change both the SSID and WEP key

    D. Enable WPA2 encrypton

  • Question 338:

    Which of the following atack types is being used if the originatng IP address has been spoofed?

    A. Ping food

    B. Trojan

    C. Smurf

    D. Worm

  • Question 339:

    An organiiaton only has a single public IP address and needs to host a website for its customers. Which of the following services is required on the network frewall to ensure connectvity?

    A. Forwarding proxy

    B. Port address translaton

    C. DMZ port security

    D. Applicaton inspecton

  • Question 340:

    Which of the following authentcaton methods is MOST secure?

    A. NTLM

    B. CHAP

    C. MS-CHAP

    D. Kerberos

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