- A
Set the installer to run as an administrator.
Why wrong: Running as administrator gives elevated privileges but does not change the OS version reported to the application; it would not fix a version incompatibility error.
- B
Enable the 'Reduced color mode' compatibility setting.
Why wrong: Reduced color mode is for older graphics applications, not for OS version compatibility; it would not resolve the installer error.
- C
Right-click the installer, go to Properties > Compatibility, and check 'Run this program in compatibility mode for: Windows 7'.
This setting makes Windows 10 report itself as Windows 7 to the application, which is the most direct fix for a version incompatibility error during installation.
- D
Use the Program Compatibility Troubleshooter from the Control Panel.
Why wrong: The troubleshooter can automatically apply compatibility settings, but manually setting compatibility mode is often faster and more reliable for known issues; the troubleshooter may not always select the correct mode.
Quick Answer
The correct first step is to right-click the installer, go to Properties > Compatibility, and check 'Run this program in compatibility mode for: Windows 7'. This setting works because Windows 10’s compatibility mode emulates the environment of an older OS, intercepting version-check calls from the legacy application and reporting a compatible system version, which bypasses the 'incompatible version' error. On the CompTIA A+ Core 2 220-1202 exam, this scenario tests your knowledge of application compatibility troubleshooting, often appearing as a multiple-choice question where distractors include changing the UAC level or running the installer as an administrator—neither of which addresses the version mismatch. A common trap is to skip the Compatibility tab and try the Program Compatibility Troubleshooter first, but the manual setting is faster and more reliable for a known-working OS version. Memory tip: think "Right-click, Properties, Compatibility tab, check the box, pick the old OS"—or simply "RCPC" for Right-click, Properties, Compatibility, Check.
220-1102 Windows OS Troubleshooting Practice Question
This 220-1202 practice question tests your understanding of windows os troubleshooting. 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 is trying to install a legacy application on Windows 10, but the installer fails with a message about 'incompatible version'. The application is known to work on Windows 7. Which compatibility settings should you try first to allow the installation to proceed?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"first"Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
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
Right-click the installer, go to Properties > Compatibility, and check 'Run this program in compatibility mode for: Windows 7'.
Windows 10 includes compatibility modes that emulate older versions of Windows. Running the installer in compatibility mode for Windows 7 can often resolve version-check errors, as it tricks the application into thinking it is running on a compatible OS.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Set the installer to run as an administrator.
Why it's wrong here
Running as administrator gives elevated privileges but does not change the OS version reported to the application; it would not fix a version incompatibility error.
- ✗
Enable the 'Reduced color mode' compatibility setting.
Why it's wrong here
Reduced color mode is for older graphics applications, not for OS version compatibility; it would not resolve the installer error.
- ✓
Right-click the installer, go to Properties > Compatibility, and check 'Run this program in compatibility mode for: Windows 7'.
Why this is correct
This setting makes Windows 10 report itself as Windows 7 to the application, which is the most direct fix for a version incompatibility error during installation.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Static NAT maps one inside address to one outside address.
- ✗
Use the Program Compatibility Troubleshooter from the Control Panel.
Why it's wrong here
The troubleshooter can automatically apply compatibility settings, but manually setting compatibility mode is often faster and more reliable for known issues; the troubleshooter may not always select the correct mode.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
Got this wrong? Here's your next step.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related 220-1202 NAT questions on configuration and troubleshooting.
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Windows OS Troubleshooting — study guide chapter
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FAQ
Questions learners often ask
What does this 220-1202 question test?
Windows OS Troubleshooting — This question tests Windows OS Troubleshooting — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Right-click the installer, go to Properties > Compatibility, and check 'Run this program in compatibility mode for: Windows 7'. — Windows 10 includes compatibility modes that emulate older versions of Windows. Running the installer in compatibility mode for Windows 7 can often resolve version-check errors, as it tricks the application into thinking it is running on a compatible OS.
What should I do if I get this 220-1202 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related 220-1202 NAT questions on configuration and troubleshooting.
Are there clue words in this question I should notice?
Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 19, 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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