The correct answer is full disk encryption (FDE) because it encrypts the entire hard drive, including the operating system, boot files, and all user data, ensuring that nothing on the drive is readable without the proper authentication key. This is essential for laptops, which are highly portable and prone to loss or theft, as FDE protects the whole drive at rest, unlike file-level or folder-level encryption that only secures selected items. On the Systems Security Certified Practitioner (SSCP) exam, this question tests your understanding of data-at-rest protection controls, a core domain in access controls and cryptography. A common trap is confusing FDE with transport encryption, which secures data in motion, not on the drive. Remember the memory tip: FDE covers the full surface, from boot to bits.
SSCP Systems and Application Security Practice Question
This SSCP practice question tests your understanding of systems and application security. 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.
An organization requires that all laptops used by employees be encrypted. Which type of encryption should be used to protect the entire hard drive?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Full disk encryption (FDE)
Option A is correct because full disk encryption (FDE) encrypts the entire drive, including the OS and all files, protecting data if the laptop is lost or stolen. Option B (file-level) only encrypts individual files; C (folder-level) encrypts folders; D (transport) encrypts data in transit; E (application-level) encrypts data within an app.
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.
✗
File-level encryption
Why it's wrong here
File-level encrypts individual files, but metadata and swap may remain unencrypted.
✓
Full disk encryption (FDE)
Why this is correct
FDE encrypts the entire drive, ensuring all data is protected at rest.
Related concept
Read the scenario before looking for a memorised answer.
Application-level encrypts data within a specific app, not the whole drive.
✗
Folder-level encryption
Why it's wrong here
Folder-level encrypts selected folders, not the entire drive.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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 SSCP exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Systems and Application Security — This question tests Systems and Application Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Full disk encryption (FDE) — Option A is correct because full disk encryption (FDE) encrypts the entire drive, including the OS and all files, protecting data if the laptop is lost or stolen. Option B (file-level) only encrypts individual files; C (folder-level) encrypts folders; D (transport) encrypts data in transit; E (application-level) encrypts data within an app.
What should I do if I get this SSCP question wrong?
Identify which SSCP exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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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.
Question Discussion
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