The answer is Windows Defender Application Guard. This feature creates a hardware-isolated container within Microsoft Edge or Microsoft Office, ensuring that any files downloaded from untrusted internet sources are executed in a secure, separate environment and blocked from accessing the host system until they have been scanned by antivirus software. On the CompTIA A+ Core 2 220-1202 exam, this question tests your understanding of Windows security features for browser and file safety, often appearing alongside distractors like Windows Sandbox or Controlled Folder Access. A common trap is confusing Application Guard with Windows Sandbox; remember that Application Guard specifically targets untrusted downloads from the browser, while Sandbox is a general-purpose isolated desktop environment. A useful memory tip: think "Guard the browser downloads" to link the feature name directly to its purpose of blocking malicious files from reaching your system.
220-1102 Browser and Application Security Practice Question
This 220-1202 practice question tests your understanding of browser and application security. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
You are configuring a new Windows 10 computer for a user who frequently downloads files from the internet. To reduce the risk of malware, you want to block the execution of downloaded files from the internet until they are scanned by antivirus. Which Windows feature should you enable?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Windows Defender Application Guard
Windows Defender Application Guard is designed to isolate untrusted downloads and prevent execution until scanned. This tests knowledge of Windows security features for browser and file safety. The other options are either not relevant or less effective.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Windows Defender Firewall
Why it's wrong here
Firewall controls network traffic but does not block execution of downloaded files.
✓
Windows Defender Application Guard
Why this is correct
Application Guard uses hardware isolation to run untrusted files in a sandbox, preventing harm to the system.
Related concept
Read the scenario before looking for a memorised answer.
✗
BitLocker Drive Encryption
Why it's wrong here
BitLocker encrypts the drive but does not prevent execution of downloaded files.
✗
User Account Control (UAC)
Why it's wrong here
UAC prompts for permission but does not block execution of files from the internet specifically.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the 220-1202 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 220-1202 question in full detail.
Identify which 220-1202 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Browser and Application Security — This question tests Browser and Application Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Windows Defender Application Guard — Windows Defender Application Guard is designed to isolate untrusted downloads and prevent execution until scanned. This tests knowledge of Windows security features for browser and file safety. The other options are either not relevant or less effective.
What should I do if I get this 220-1202 question wrong?
Identify which 220-1202 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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