- A
Encrypt only the user's home folder.
Why wrong: Other system areas may contain sensitive data, so partial encryption is insufficient.
- B
Encrypt individual files using a symmetric key.
Why wrong: Individual file encryption is less comprehensive and harder to manage.
- C
Implement full disk encryption (FDE).
FDE provides blanket encryption for the entire drive.
- D
Use a self-extracting encrypted archive.
Why wrong: Archives are not persistent protection for all data.
Question 127 of 1,000
mediumMultiple ChoiceObjective-mapped
SSCP Practice Question: A company's policy requires that all data at rest…
This SSCP practice question tests your understanding of sscp exam topics. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 company's policy requires that all data at rest be encrypted. Which of the following is the most effective method to encrypt files on a laptop?
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
✓
Implement full disk encryption (FDE).
Full disk encryption (FDE) encrypts the entire storage volume, including the operating system, swap files, temporary files, and all user data. This ensures that if the laptop is lost or stolen, all data at rest is protected without relying on the user to selectively encrypt files or folders, which can leave sensitive data exposed in unencrypted system areas.
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.
- ✗
Encrypt only the user's home folder.
Why it's wrong here
Other system areas may contain sensitive data, so partial encryption is insufficient.
- ✗
Encrypt individual files using a symmetric key.
Why it's wrong here
Individual file encryption is less comprehensive and harder to manage.
- ✓
Implement full disk encryption (FDE).
Why this is correct
FDE provides blanket encryption for the entire drive.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use a self-extracting encrypted archive.
Why it's wrong here
Archives are not persistent protection for all data.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often choose encrypting only the home folder or individual files because they think it is sufficient, but they overlook that system areas like swap, temp, and hibernation files can contain sensitive data in plaintext, making full disk encryption the only comprehensive solution for data at rest on a laptop.
Detailed technical explanation
How to think about this question
Full disk encryption operates at the block level, typically using a symmetric cipher like AES-256 in XTS mode (e.g., BitLocker with AES-XTS, FileVault 2 with AES-XTS). The encryption is transparent to the operating system and applications, meaning all data written to the disk—including temporary files, swap/page files, and hibernation files—is automatically encrypted. A pre-boot authentication mechanism (e.g., TPM, PIN, or password) is required to decrypt the volume key, ensuring that data remains encrypted even if the drive is removed and accessed from another system.
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 developer is choosing between AES-256 (symmetric) and RSA-2048 (asymmetric) for encrypting a large file that will be sent to a partner. Symmetric encryption is fast but requires key exchange; asymmetric is slower but solves the key distribution problem. A hybrid approach — encrypt the file with AES, encrypt the AES key with RSA — is standard. Questions like this test whether you understand when each approach applies.
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.
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FAQ
Questions learners often ask
What does this SSCP question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Implement full disk encryption (FDE). — Full disk encryption (FDE) encrypts the entire storage volume, including the operating system, swap files, temporary files, and all user data. This ensures that if the laptop is lost or stolen, all data at rest is protected without relying on the user to selectively encrypt files or folders, which can leave sensitive data exposed in unencrypted system areas.
What should I do if I get this SSCP 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: Jun 11, 2026
This SSCP practice question is part of Courseiva's free ISC2 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 SSCP exam.
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