220-1102 Practice Question: A technician suspects that a Windows 10 computer…

Answer choices

Why each option matters

Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.

Answer analysis

Why the other options are wrong

Understanding why incorrect options are tempting is as important as knowing the correct answer.

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  Run sfc /scannow

  System File Checker scans for and repairs corrupted system files, but it does not detect or remove malware.

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  Run Disk Cleanup

  Disk Cleanup removes temporary files and frees up disk space; it has no capability to remove malware.

Technical deep dive

How to think about this question

The core concept being tested here is the appropriate use of built-in and trusted third-party tools for malware remediation on a Windows 10 system. Windows Defender, now known as Microsoft Defender Antivirus, is the primary built-in security solution for Windows 10. It provides real-time protection, scheduled scans, and the ability to detect and remove a wide range of malware, including viruses, spyware, and ransomware. Performing a full scan with Windows Defender is a fundamental first step in a malware cleanup process because it leverages the operating system's native capabilities to identify and neutralize threats without requiring additional software installation, making it a 'built-in and trusted' tool. Its mechanical function involves scanning system files, memory, and running processes against a continuously updated database of malware signatures and behavioral patterns. While the question also allows for a trusted third-party tool, the inclusion of Windows Defender as a correct option highlights its importance as a foundational layer of security. The scenario specifically asks for actions to 'clean the system' from malware, which directly aligns with the purpose of antivirus software. In contrast, `sfc /scannow` is designed to repair corrupted Windows system files, not to detect or remove active malware infections. Similarly, Disk Cleanup merely removes temporary and unnecessary files to free up disk space and has no malware detection or removal capabilities. These tools serve entirely different diagnostic and maintenance purposes, making them inappropriate for the stated goal of malware remediation.

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