The correct safety procedure before modifying the registry is to create a system restore point. This is essential because a restore point captures the current system state, including registry keys, drivers, and system files, allowing you to revert the computer to a previous working configuration if the registry edit causes instability or boot failure. On the CompTIA A+ Core 2 220-1202 exam, this concept often appears in scenario-based questions where a technician overrides a minimum requirement check by editing the registry—the common trap is to think a full backup is needed, but the exam emphasizes that a restore point is the quickest, safest rollback method for registry changes. A helpful memory tip is to think of a restore point as a “safety net” for the registry: it catches you before a bad edit crashes the system.
220-1102 Safety Procedures and Compliance Practice Question
This 220-1202 practice question tests your understanding of safety procedures and compliance. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
During a software installation, a technician receives an error that the system does not meet the minimum requirements. The technician decides to override the check by modifying the registry. What safety procedure should be followed before making registry changes?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "minimum / minimize"
Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a system restore point.
Creating a system restore point before modifying the registry is the correct safety procedure because it captures the current system state, including registry keys, drivers, and system files. If the registry edit causes instability or boot failure, the restore point allows the technician to revert the system to its previous working configuration without data loss. This is a standard best practice for any registry modification, as even minor errors can render the system unbootable.
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.
✗
Disable User Account Control (UAC).
Why it's wrong here
Disabling UAC reduces security but does not provide a rollback option for registry changes.
✓
Create a system restore point.
Why this is correct
A restore point allows the system to be reverted to a previous state if registry edits cause problems.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Run the installation as an administrator.
Why it's wrong here
Running as admin gives necessary permissions but does not protect against registry corruption.
✗
Close all other running applications.
Why it's wrong here
While good practice, it does not provide a safety net for registry changes.
Common exam traps
Common exam trap: answer the scenario, not the keyword
CompTIA often tests the distinction between permission elevation (running as admin) and system protection (restore point), leading candidates to mistakenly choose 'Run as administrator' because they think it bypasses the error, when in fact the question explicitly asks for the safety procedure before making registry changes.
Detailed technical explanation
How to think about this question
A system restore point in Windows uses the Volume Shadow Copy Service (VSS) to snapshot the registry hive files (e.g., SAM, SYSTEM, SOFTWARE) and critical system files. When a restore is performed, Windows replaces the current registry hives with the saved versions, effectively undoing any changes made after the restore point was created. In real-world scenarios, a technician might override a minimum-requirement check by editing a registry key like HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData, and a single typo can cause the installer to fail or the OS to blue-screen; a restore point is the only safe way to recover without a full reinstall.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 220-1202 question in full detail.
Safety Procedures and Compliance — This question tests Safety Procedures and Compliance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a system restore point. — Creating a system restore point before modifying the registry is the correct safety procedure because it captures the current system state, including registry keys, drivers, and system files. If the registry edit causes instability or boot failure, the restore point allows the technician to revert the system to its previous working configuration without data loss. This is a standard best practice for any registry modification, as even minor errors can render the system unbootable.
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: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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