FREE CompTIA Network+ Network Troubleshooting Methodology Questions and Answers

Question 1

A technician is troubleshooting a network issue.
After gathering information from the user and identifying the symptoms, the technician believes a recent OS update on the user's computer is the most likely culprit.
According to the CompTIA troubleshooting methodology, what is the very next step?

Accepted Answer

Test the theory to determine the cause.

Answer

Document the findings and the theory.

Answer

Establish a plan of action to roll back the update.

Answer

Immediately implement the solution by rolling back the update.

Question 2

A network administrator is investigating a widespread connectivity issue. They are unsure if the problem is at the physical layer (cabling), the data link layer (switching), or a higher-level application issue. They decide to start by checking the link lights on the switches and examining patch panels. Which troubleshooting approach are they using?

Accepted Answer

Bottom-up

Answer

Divide and conquer

Answer

Top-down

Answer

Follow-the-path

Question 3

A user reports that they can access some websites, but not a specific corporate server. A technician needs to identify the exact path the user's traffic is taking to the server and pinpoint where the connection might be failing along the route. Which of the following command-line tools is BEST suited for this task?

Accepted Answer

tracert

Answer

ipconfig

Answer

ping

Answer

netstat

Question 4

After implementing a fix for a network outage by reconfiguring a firewall rule, a technician successfully tests connectivity and confirms that all services are back online for the affected users. According to the CompTIA troubleshooting methodology, what is the final, crucial step the technician must perform?

Accepted Answer

Implement preventative measures and document the findings.

Answer

Establish a new theory of probable cause.

Answer

Escalate the issue to a senior administrator.

Answer

Identify the initial problem by questioning users again.

Question 5

During the 'Establish a theory of probable cause' step of the troubleshooting methodology, which of the following actions is a primary consideration for the technician?

Accepted Answer

Questioning the obvious.

Answer

Implementing the most likely solution immediately.

Answer

Verifying full system functionality.

Answer

Creating a detailed plan of action.

Question 6

A technician is troubleshooting an issue where a user cannot access a web application. The technician can successfully ping the web server's IP address. Using the 'divide and conquer' methodology, what is a logical next step?

Accepted Answer

Check the application-layer logs on the web server.

Answer

Replace the user's network cable.

Answer

Reinstall the network card drivers on the user's computer.

Answer

Verify the switch port configuration.

A technician is troubleshooting a network issue.After gathering information from the user and identifying the symptoms, the technician believes a recent OS update on the user's computer is the most likely culprit.According to the CompTIA troubleshooting methodology, what is the very next step?

A technician is troubleshooting a network issue.
After gathering information from the user and identifying the symptoms, the technician believes a recent OS update on the user's computer is the most likely culprit.
According to the CompTIA troubleshooting methodology, what is the very next step?