software trouble shooting 01

Which symptom most clearly indicates a software crash?

• A. A noisy cooling fan

• B. Sudden closure of the application

• C. Computer won’t power on

• D. Screen flickers briefly

Answer explanation

The most clear indication of a software crash is the sudden closure of the application (B). This directly signifies that the software has stopped functioning unexpectedly, unlike the other options which indicate different issues.

A program has stopped responding. What is the best first step?

• Restart the computer immediately

• Run antivirus software

• Force close or update the program

• Replace the operating system

Answer explanation

The best first step when a program stops responding is to force close or update it. This can resolve the issue without needing to restart the computer or take more drastic measures like replacing the operating system.

Which Windows tool provides detailed logs of software errors?

• Device Manager

• Control Panel

• Event Viewer

• Task Scheduler

Answer explanation

The Event Viewer is the Windows tool that provides detailed logs of software errors, allowing users to monitor and troubleshoot system events effectively.

An application runs but produces incorrect results. What type of fault is this?

• Hardware error

• Logic error

• Syntax error

• Compilation error

Answer explanation

A logic error occurs when an application runs but produces incorrect results due to flaws in the program's logic. Unlike syntax or compilation errors, the code is syntactically correct but does not behave as intended.

A newly installed app refuses to run on a laptop. Which is the most likely cause?

• Power supply failure

• Operating system version mismatch

• Full recycle bin

• Monitor resolution too high

Answer explanation

The most likely cause for the app not running is an operating system version mismatch. Many apps require specific OS versions to function properly, and if the laptop's OS is outdated or incompatible, the app will not launch.

A user sees a 'missing DLL' error when starting a program. What does this suggest?

• Program not installed correctly

• Corrupt graphics card

• Loose power cable

• BIOS battery fault

Answer explanation

A 'missing DLL' error typically indicates that the program was not installed correctly or that a required file is missing. This suggests that reinstalling the program may resolve the issue.

Which documentation would you use to replicate a reported software issue?

• Change log

• Incident report

• User manual

• Licence agreement

Answer explanation

The incident report provides detailed information about the reported software issue, including its symptoms, context, and steps to reproduce it, making it the most relevant documentation for replication.

A technician compares current performance to a previously known good state. This process involves using which tool?

• Performance Monitor

• Task Manager

• System Restore

• Device Manager

Answer explanation

System Restore allows a technician to revert the system to a previously known good state, making it the correct tool for comparing current performance against past performance.

A system has become slow after an update. What should be checked first?

• Monitor resolution

• Startup programs and background tasks

• Power supply unit

• Wireless router

Answer explanation

After an update, slow performance is often due to increased startup programs and background tasks consuming resources. Checking these first can help identify and resolve the issue quickly.

Which testing ensures that a bug fix has not introduced new faults?

• Stress testing

• Regression testing

• Acceptance testing

• Beta testing

Answer explanation

Regression testing ensures that recent code changes, such as bug fixes, have not adversely affected existing functionality. It verifies that new faults have not been introduced, making it the correct choice for this question.