- A
Windows Defender Firewall with Advanced Security
Why wrong: Firewall rules block network traffic, not application features, and would not display this specific message.
- B
Windows Defender Application Guard
Application Guard uses container technology to isolate untrusted apps, and the message is typical when an app tries to access resources outside the container.
- C
User Account Control (UAC)
Why wrong: UAC prompts for elevation but does not display a message about limited access to app features.
- D
BitLocker Drive Encryption
Why wrong: BitLocker encrypts the drive and does not affect application functionality directly.
Question 22 of 750
Why Windows Defender Application Guard May Block Legacy Applications After an Update
This 220-1202 practice question tests your understanding of windows security settings. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
A user reports that their Windows 10 computer is displaying a 'Your IT department has limited access to some features of this app' message when trying to run a legacy application. The application worked before the latest Windows update. Which security feature is most likely causing this issue?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"most likely"Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Quick Answer
The correct answer is Windows Defender Application Guard. This security feature is most likely causing the issue because it uses hardware-based isolation to run untrusted applications in a secure container, and a Windows update can alter its default policies or behavior, triggering the “Your IT department has limited access” message for legacy apps that previously ran without restriction. On the CompTIA A+ Core 2 220-1202 exam, this question tests your ability to distinguish Application Guard from Windows Sandbox—a common trap is confusing the two, since both use containers, but Application Guard is specifically designed for enterprise-managed devices and blocks apps from accessing local resources like the file system or camera. A helpful memory tip: think of Application Guard as a “bouncer for legacy apps” that gets stricter after updates, while Sandbox is a disposable test environment you launch manually.
Answer choices
Why each option matters
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 (WDAG) is a security feature that isolates untrusted applications in a Hyper-V container, restricting their access to system resources. The 'Your IT department has limited access to some features of this app' message indicates that WDAG is blocking the legacy application, likely because the app is not trusted or is being treated as untrusted after a Windows update that tightened WDAG policies.
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 with Advanced Security
Why it's wrong here
Firewall rules block network traffic, not application features, and would not display this specific message.
- ✓
Windows Defender Application Guard
Why this is correct
Application Guard uses container technology to isolate untrusted apps, and the message is typical when an app tries to access resources outside the container.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
User Account Control (UAC)
Why it's wrong here
UAC prompts for elevation but does not display a message about limited access to app features.
- ✗
BitLocker Drive Encryption
Why it's wrong here
BitLocker encrypts the drive and does not affect application functionality directly.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The common mistake is confusing User Account Control (UAC) with Windows Defender Application Guard. UAC prompts for elevation when an app requires administrator privileges, while Application Guard restricts app features in an isolated container. The message 'Your IT department has limited access to some features of this app' indicates Application Guard is blocking the legacy app.
Detailed technical explanation
How to think about this question
WDAG uses Hyper-V virtualization to create a lightweight, isolated container for untrusted applications, leveraging a policy-based trust model where apps not explicitly trusted are run in the container. The message 'Your IT department has limited access to some features of this app' is generated by the Windows Security Center when WDAG intercepts an API call from an untrusted app, such as accessing the file system or registry outside the container. In real-world scenarios, legacy applications often fail after updates because they are not signed or are not on the trusted list, causing WDAG to enforce restrictions that break functionality like saving files or accessing local resources.
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.
TExam Day Tips
- 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.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
- →
Windows Security Settings — study guide chapter
Learn the concepts, then practise the questions
- →
Windows Security Settings practice questions
Targeted practice on this topic area only
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FAQ
Questions learners often ask
What does this 220-1202 question test?
Windows Security Settings — This question tests Windows Security Settings — 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 (WDAG) is a security feature that isolates untrusted applications in a Hyper-V container, restricting their access to system resources. The 'Your IT department has limited access to some features of this app' message indicates that WDAG is blocking the legacy application, likely because the app is not trusted or is being treated as untrusted after a Windows update that tightened WDAG policies.
What should I do if I get this 220-1202 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
This 220-1202 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 220-1202 exam.
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