Core 1: Hardware & Network Troubleshooting

What is the FIRST step of the CompTIA troubleshooting methodology?

• A Establish a theory
• B Identify the problem ✓
• C Test the theory
• D Document findings

Answer: Step 1 is to identify the problem, including gathering information and questioning the user.

After identifying the problem, what is the next step?

• A Implement the solution
• B Establish a theory of probable cause ✓
• C Document the outcome
• D Escalate

Answer: Step 2 is to establish a theory of probable cause (question the obvious first).

What is the LAST step of the CompTIA troubleshooting methodology?

• A Test the theory
• B Implement the solution
• C Document findings, actions, and outcomes ✓
• D Verify functionality

Answer: The final step is to document findings, actions, and outcomes for future reference.

Which step follows testing the theory to determine cause?

• A Identify the problem
• B Establish a plan of action to resolve the problem ✓
• C Document findings
• D Question the user

Answer: Once the theory is confirmed, you establish a plan of action to resolve the problem and implement the solution.

A PC powers on but emits a series of beeps and does not boot. What do the beeps indicate?

• A Network failure
• B POST error codes for hardware faults ✓
• C Software update
• D Successful boot

Answer: Beep codes during POST indicate hardware faults such as RAM or GPU errors; consult the motherboard documentation.

A computer randomly restarts under heavy load. Which is the most likely cause?

• A Bad monitor cable
• B Overheating or failing PSU ✓
• C Wrong DNS
• D Disabled NIC

Answer: Random restarts under load typically indicate overheating (CPU/GPU) or an inadequate/failing power supply.