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CompTIA Network+ Practice Tests

CompTIA Network+ Practice Test for Subdomain 5.5 #01

ByThe Test Master

Apr 13, 2026 #CompTIA, #Network+, #networking issues

Welcome to today’s CompTIA Network+ practice test!

This practice test uses our new UI!

Today’s practice test is based on Subdomain 5.5 (Given a scenario, use the appropriate tool or protocol to solve networking issues) from the CompTIA Network+ N10-009 objectives.

This beginner-level practice test is inspired by the CompTIA Network+ (N10-009) exam and is designed to help you reinforce key networking concepts on a daily basis.

These questions are not official exam questions, nor are they brain dumps, but they reflect topics and scenarios relevant to the Network+ certification. Use them to test your knowledge, identify areas for improvement, and build daily cybersecurity habits.

Note: CompTIA and Network+ are registered trademarks of CompTIA. This content is not affiliated with or endorsed by CompTIA.

To choose CompTIA Network+ practice tests based on specific domains/subdomains, click that link.

Recommended read: Ultimate CompTIA Network+ Study Guide (2026)

CompTIA Network+ Practice Test for Subdomain 5.5 #01
10 questions • Single best answer
Question 1
A network technician at a hospital is attempting to diagnose a connectivity issue and begins by using the ping command to verify reachability to a remote server. Which protocol is being used in this test?
    Question 2
    A junior administrator is troubleshooting a routing issue and uses the tracert command to determine the path packets take to a destination. What is the primary purpose of this tool?
      Question 3
      A network engineer needs to verify DNS resolution for a hostname during troubleshooting. Which command-line tool should be used?
        Question 4
        A technician is analyzing active network connections and listening ports on a server to identify potential unauthorized access. Which tool should be used?
          Question 5
          A network administrator needs to clear the local DNS cache on a Windows machine to resolve a name resolution issue. Which command should be used?
            Question 6
            A technician wants to view the MAC address associated with an IP address on the local network. Which command should be used?
              Question 7
              A systems administrator needs to verify the current IP configuration of a Windows workstation. Which command provides this information?
                Question 8
                A network engineer wants to test whether a specific TCP port on a remote server is open. Which tool is MOST appropriate?
                  Question 9
                  A technician is troubleshooting routing issues and needs to view the routing table on a Windows machine. Which command should be used?
                    Question 10
                    A network administrator needs to continuously monitor connectivity to a server over time. Which command option should be used with ping?
                      Answered: 0/10

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