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Network+ Network Troubleshooting Methodology Flashcards

7 cards from real COMPTIA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Network+ Network Troubleshooting Methodology flashcards as text

  1. A technician needs to determine the path packets take from a workstation to a remote server that is intermittently unreachable. Which command is MOST appropriate?

    Answer: tracert / traceroute

    tracert (Windows) or traceroute (Linux/Mac) maps the hop-by-hop path to a destination, revealing where packet loss or high latency occurs.

  2. When troubleshooting, a technician changes multiple settings at the same time to save time. What is the PRIMARY risk of this approach?

    Answer: It becomes impossible to determine which change resolved the issue

    Changing multiple variables simultaneously prevents isolating which change fixed the problem, making future troubleshooting and documentation unreliable.

  3. A server on the network has an IP address of 169.254.x.x. What does this indicate?

    Answer: The server failed to obtain an IP address from a DHCP server

    A 169.254.x.x address is an APIPA (Automatic Private IP Addressing) address, assigned when a DHCP server is unreachable.

  4. Which step of the CompTIA troubleshooting methodology involves asking the user 'What changed recently?'

    Answer: Identify the problem

    Identifying the problem includes gathering information from users, which includes asking about recent changes that may have triggered the issue.

  5. A technician finds that a network issue was caused by a misconfigured ACL on a router. After correcting the ACL, what should be done before closing the ticket?

    Answer: Document the root cause, resolution steps, and any preventive measures

    Documenting root cause, resolution steps, and preventive measures fulfills the final steps of the CompTIA troubleshooting methodology.

  6. A switch port is showing as 'err-disabled' on a Cisco switch. Which scenario MOST commonly causes this state?

    Answer: A port security violation was detected, such as a MAC address exceeding the allowed limit

    Port security violations (e.g., too many MAC addresses learned on one port) place the port into err-disabled state as a security response.

  7. When a technician cannot resolve an issue within their scope of expertise, what is the correct action according to troubleshooting best practices?

    Answer: Escalate the issue to a higher-tier technician or specialist

    Escalation to a higher-tier technician or subject matter expert is the appropriate action when a problem exceeds the current technician's knowledge or authority.