- A
Single-user mode (Command + S).
Why wrong: Single-user mode boots to a root shell without the GUI, but it does not necessarily prevent third-party kernel extensions from loading. It is also not available on Apple Silicon Macs.
- B
Verbose mode (Command + V).
Why wrong: Verbose mode displays boot-time log messages but does not restrict what loads. It is used for troubleshooting boot failures, not for security isolation.
- C
Safe Mode (Shift key during startup).
Safe Mode disables all non-Apple kernel extensions, startup items, and login items, providing a clean environment to remove malware. It also checks the startup disk for errors.
- D
Target Disk Mode (T key).
Why wrong: Target Disk Mode turns the Mac into an external disk for another computer. It does not restrict what loads on the Mac itself; the malware would still be present on the disk.
Using Safe Mode on macOS to Remove Malware for CompTIA A+ Core 2
This 220-1202 practice question tests your understanding of macos features and tools. 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.
A security incident has occurred: a user's Mac running macOS Ventura was infected with malware that modified system files. The technician needs to boot the Mac into a mode that loads only essential Apple-signed kernel extensions and prevents third-party software from loading, in order to safely remove the malware. Which startup mode should they use?
Quick Answer
The answer is Safe Mode, accessed by holding the Shift key during startup. This mode loads only essential Apple-signed kernel extensions and disables all third-party startup and login items, making it the correct environment for safe mode macOS malware removal because it prevents malicious software from loading while you clean the system. On the CompTIA A+ Core 2 220-1202 exam, this scenario tests your knowledge of macOS startup modes and their security implications; a common trap is confusing Safe Mode with Single-User Mode (Command+S), which is deprecated on Apple Silicon and does not block malware from loading. Remember the memory tip: “Shift for Safety”—holding Shift forces the Mac into a stripped-down, secure state ideal for troubleshooting and removal.
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
Safe Mode (Shift key during startup).
Safe Mode (Shift key during startup) is correct because it forces macOS to load only essential kernel extensions that are signed by Apple, disables all third-party startup items and login items, and runs a directory integrity check. This minimal environment prevents the malware from loading its own kernel extensions or other malicious code, allowing the technician to safely remove the infected files without interference.
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.
- ✗
Single-user mode (Command + S).
Why it's wrong here
Single-user mode boots to a root shell without the GUI, but it does not necessarily prevent third-party kernel extensions from loading. It is also not available on Apple Silicon Macs.
- ✗
Verbose mode (Command + V).
Why it's wrong here
Verbose mode displays boot-time log messages but does not restrict what loads. It is used for troubleshooting boot failures, not for security isolation.
- ✓
Safe Mode (Shift key during startup).
Why this is correct
Safe Mode disables all non-Apple kernel extensions, startup items, and login items, providing a clean environment to remove malware. It also checks the startup disk for errors.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Target Disk Mode (T key).
Why it's wrong here
Target Disk Mode turns the Mac into an external disk for another computer. It does not restrict what loads on the Mac itself; the malware would still be present on the disk.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between startup modes that change the boot environment (Safe Mode) versus those that only alter the user interface or provide diagnostic output (Verbose, Single-user), leading candidates to mistakenly choose Single-user mode for malware removal when it does not restrict third-party kernel extensions.
Detailed technical explanation
How to think about this question
Safe Mode in macOS Ventura performs a directory check (fsck) and loads only /System/Library/Extensions (Apple-signed kexts), ignoring /Library/Extensions and ~/Library/Extensions where third-party kexts reside. It also disables all LaunchDaemons, LaunchAgents, and startup items not located in /System/Library, effectively sandboxing the system to Apple-signed code only. In real-world scenarios, malware like 'Silver Sparrow' that installs kernel-level persistence can be neutralized by booting into Safe Mode, as its launchd plists and kexts are ignored.
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.
Quick reference
Access Control Model Comparison
| Model | Acronym | Who Controls Access? | Best For |
|---|---|---|---|
| Discretionary Access Control | DAC | Resource owner | Small teams, file shares |
| Mandatory Access Control | MAC | System / security labels | Classified govt / military |
| Role-Based Access Control | RBAC | Administrator (via roles) | Enterprise environments |
| Attribute-Based Access Control | ABAC | Policy engine (user + resource attributes) | Fine-grained, dynamic policies |
| Rule-Based Access Control | RuBAC | System rules / ACLs | Firewall rules, network ACLs |
What to study next
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FAQ
Questions learners often ask
What does this 220-1202 question test?
macOS Features and Tools — This question tests macOS Features and Tools — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Safe Mode (Shift key during startup). — Safe Mode (Shift key during startup) is correct because it forces macOS to load only essential kernel extensions that are signed by Apple, disables all third-party startup items and login items, and runs a directory integrity check. This minimal environment prevents the malware from loading its own kernel extensions or other malicious code, allowing the technician to safely remove the infected files without interference.
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.
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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