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CompTIA Network+ Practice Tests

CompTIA Network+ Practice Test for Subdomain 5.1 #01

ByThe Test Master

Apr 12, 2026 #CompTIA, #Network+, #troubleshooting

Welcome to today’s CompTIA Network+ practice test!

This practice test uses our new UI!

Today’s practice test is based on Subdomain 5.1 (Explain the troubleshooting methodology) 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 5.1 #01
10 questions • Single best answer
Question 1
A help desk technician at a software company receives reports that users cannot access a shared application. The technician begins by gathering details from affected users and checking system logs. Which troubleshooting step is being performed?
    Question 2
    A network specialist at a shipping company suspects that a recent firewall change caused connectivity issues. The specialist develops multiple possible explanations for the problem. Which step is this?
      Question 3
      A technician at a gaming company disables a suspected faulty network service to confirm whether it is causing latency issues. Which troubleshooting step is this?
        Question 4
        An engineer at a media company confirms that a misconfigured VLAN is causing connectivity issues and prepares a controlled fix to minimize downtime. Which step is being performed?
          Question 5
          A network administrator at a manufacturing plant applies a configuration change to resolve a routing issue during a maintenance window. Which step is this?
            Question 6
            After applying a fix, a technician confirms that all services are operational and users report no further issues. Which troubleshooting step is this?
              Question 7
              A systems administrator records the root cause and resolution of a network outage in an internal knowledge base. Which step is this?
                Question 8
                A technician at a telecommunications company notices intermittent packet loss and begins by asking users about when the issue occurs and reviewing monitoring data. Which step is being performed?
                  Question 9
                  An engineer suspects a DNS issue and uses diagnostic tools to confirm resolution after making changes. Which step does confirming resolution represent?
                    Question 10
                    After resolving a recurring issue, a network engineer configures alerts to detect similar problems in the future. Which part of the troubleshooting methodology does this belong to?
                      Answered: 0/10

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