This CCSP practice question tests your understanding of cloud application security. 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.
A security auditor is reviewing a cloud application's data encryption strategy. The application stores sensitive data in a cloud database. Which configuration would best ensure data confidentiality in the event of a database dump?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Column-level encryption using application-managed keys
Option C is correct because column-level encryption with application-managed keys ensures that even if the entire database is dumped, the sensitive columns remain encrypted and unreadable without the keys held by the application. This approach decouples key management from the cloud provider, preventing the provider from accessing the plaintext data and maintaining confidentiality during a breach or dump.
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.
✗
Tokenization of sensitive fields with a separate token vault
Why it's wrong here
Tokenization replaces data with tokens, not encryption.
✗
Entire database encryption at rest using cloud provider managed keys
Why it's wrong here
Encryption at rest protects storage, not logical database dumps.
✓
Column-level encryption using application-managed keys
Why this is correct
Column-level encryption protects sensitive data at the database level.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam trap: answer the scenario, not the keyword
ISC2 often tests the distinction between encryption at rest and column-level encryption, trapping candidates who assume that full database encryption (Option B) protects against all data exposure scenarios, when in fact it does not protect data during a dump because the database engine decrypts it automatically.
Detailed technical explanation
How to think about this question
Column-level encryption typically uses AES-256 in GCM mode with keys derived from a master key stored outside the database, such as in a hardware security module (HSM) or key management service (KMS) controlled by the application. When a database dump is performed (e.g., via mysqldump or pg_dump), the encrypted columns are exported as ciphertext, but the application must decrypt each row on retrieval, ensuring that the dump alone yields no plaintext. A real-world scenario is a healthcare application storing patient SSNs; even if an attacker exfiltrates the entire database, the SSNs remain encrypted unless the application's key store is also compromised.
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.
Cloud Application Security — This question tests Cloud Application Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Column-level encryption using application-managed keys — Option C is correct because column-level encryption with application-managed keys ensures that even if the entire database is dumped, the sensitive columns remain encrypted and unreadable without the keys held by the application. This approach decouples key management from the cloud provider, preventing the provider from accessing the plaintext data and maintaining confidentiality during a breach or dump.
What should I do if I get this CCSP 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: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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