CompTIA A+ Troubleshooting Methodology Flashcard

Front

What is the first step in the CompTIA A+ troubleshooting methodology?

Back

Identify the problem

Answer explanation

The first step in the CompTIA A+ troubleshooting methodology is to identify the problem. This step is crucial as it sets the foundation for all subsequent troubleshooting actions.

Front

What is a key action in the 'Identify the Problem' step?

Back

Ask open-ended questions to the user

Answer explanation

Asking open-ended questions to the user is crucial in the 'Identify the Problem' step, as it helps gather detailed information about the issue, leading to a better understanding and resolution.

Front

What should be done before making any changes during troubleshooting?

Back

Perform backups

Answer explanation

Before making any changes during troubleshooting, it's crucial to perform backups. This ensures that data is protected and can be restored if the changes lead to further issues.

Front

What is the purpose of establishing a theory of probable cause?

Back

To brainstorm possible reasons for the issue

Answer explanation

The purpose of establishing a theory of probable cause is to brainstorm possible reasons for the issue, helping to identify potential root causes before further investigation or action is taken.

Front

Which approach is recommended when establishing a theory of probable cause?

Back

Start at the physical layer and work up

Answer explanation

Starting at the physical layer allows for identifying foundational issues before addressing higher-level problems, ensuring a systematic approach to diagnosing the cause effectively.

Front

What should you do if your theory of probable cause is disproved?

Back

Establish a new theory

Answer explanation

If your theory of probable cause is disproved, you should establish a new theory. This allows you to adapt your investigation based on new evidence and continue to seek the truth.

Front

What is the main goal of testing the theory to determine the cause?

Back

To verify the guess without making permanent changes

Answer explanation

The main goal of testing the theory is to verify the guess without making permanent changes. This allows for assessment and adjustment of the theory based on results, ensuring that no irreversible actions are taken prematurely.

Front

What should be considered when creating a plan of action?

Back

The side effects of the fix

Answer explanation

When creating a plan of action, it's crucial to consider the side effects of the fix, as they can impact the overall effectiveness and user experience. This ensures that the solution is sustainable and does not introduce new issues.

Front

What is the purpose of verifying full system functionality?

Back

To ensure the repair didn't cause new issues

Answer explanation

Verifying full system functionality is crucial to ensure that the repair did not introduce new issues. This step confirms that the system operates as intended after any changes, maintaining overall reliability.

Front

What preventive measure can be suggested if a surge killed the PC?

Back

Suggest a surge protector

Answer explanation

A surge protector can prevent future damage to the PC by absorbing excess voltage from power surges, unlike installing a new PSU or other options that do not address the root cause of the issue.