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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 211:

    A DSL modem connects to the providerns network using which of the following authentcaton techniques?

    A. PoE

    B. MS-CHAP

    C. PPPoE

    D. EAP

  • Question 212:

    A network technician confgures a frewall to block only certain IP addresses from accessing the Internet. All users are reportng that they are unable to access the Internet. Which of the following is the MOST likely reason?

    A. Incorrectly confgured ACL

    B. Implicit allow statement

    C. SMTP requests are being denied

    D. All protocols are being allowed in

  • Question 213:

    A new monitoring device is installed in the network that uses ping to determine whether critcal network Internet routers are up. Afer three missing pingsf the alarm reports the device is down. The device is now constantly reportng alarmsf yet

    there are no reported Internet problems from users.

    Which of the following is the MOST likely cause?

    A. A missing route on the alarm device.

    B. Incorrect VLAN assignment on the router.

    C. A missing route on the network routers.

    D. Incorrect speed/duplex setng on the alarm device.

  • Question 214:

    A supervisor requests that a technician downloads a MIB for a partcular server. Which of the following protocols requires MIBs?

    A. IPSec

    B. SSL

    C. ISAKMP

    D. SNMP

  • Question 215:

    A technician replaces a customerns routerf and is now unable to ping the ISPns gateway. Which of the following should the technician check?

    A. The arp table of the new customerns router.

    B. The route table of the next-hop router.

    C. The route table of the new customerns router.

    D. The arp table of a network user.

  • Question 216:

    Which of the following protocols is used to allow multple hosts to share a common IP address?

    A. HTTPS

    B. ARP

    C. CARP D. NAT

  • Question 217:

    When confguring a WAP for a SOHOf which parameter will BEST limit access to the ofce area?

    A. Signal strength

    B. SSID enable

    C. Encrypton

    D. Password hardening

  • Question 218:

    Which of the following does the IP address 169.254.222.10 indicate?

    A. No DHCP server connectvity

    B. The DNS server is unavailable

    C. Firewall issue

    D. Duplicate IP addresses are found

  • Question 219:

    Which of the following IP addresses would be classifed as private?

    A. 10.100.200.0

    B. 169.253.10.20

    C. 172.168.5.0

    D. 200.100.25.0

  • Question 220:

    Which of the following tools can the technician use to analyie TCP/IP packets when trying to determine a connecton problem within a subnet?

    A. Wire mapper

    B. Protocol analyier

    C. Cable tester

    D. SYSLOG server

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