This CCSP practice question tests your understanding of cloud data 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.
An enterprise uses a cloud access security broker (CASB) to protect data in cloud applications. They want to prevent users from uploading files containing credit card numbers to a cloud storage service. Which CASB feature should be configured?
Encryption in transit settings
Why wrong: Encryption does not block content.
User activity monitoring
Why wrong: Monitoring only records, not prevent.
Single sign-on (SSO) integration
Why wrong: SSO does not inspect content.
Data loss prevention (DLP) policies
DLP scans content and can block uploads containing sensitive data.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Data loss prevention (DLP) policies
Data loss prevention (DLP) policies are the correct CASB feature because they allow the enterprise to define content inspection rules that scan files for sensitive data patterns, such as credit card numbers (matching Luhn algorithm or regex patterns like those in PCI DSS). When a match is detected, the CASB can block the upload, quarantine the file, or trigger an alert, directly preventing data exfiltration to the cloud storage service.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Encryption in transit settings
Why it's wrong here
Encryption does not block content.
User activity monitoring
Why it's wrong here
Monitoring only records, not prevent.
Single sign-on (SSO) integration
Why it's wrong here
SSO does not inspect content.
Data loss prevention (DLP) policies
Why this is correct
DLP scans content and can block uploads containing sensitive data.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates confuse user activity monitoring (which logs behavior) with DLP (which enforces content-based policies), or they assume encryption alone can prevent data leakage, not realizing encryption protects data in transit but does not inspect or block the data itself.
Detailed technical explanation
Under the hood, CASB DLP policies often use a combination of regular expressions, keyword dictionaries, and machine learning classifiers to detect credit card numbers, including checksum validation (e.g., Luhn algorithm) to reduce false positives. In a real-world scenario, a CASB can be configured to apply different actions based on context—for example, blocking uploads to a public share but allowing them to an encrypted corporate folder with a justification prompt, leveraging API-based or forward proxy deployment modes.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
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FAQ
Cloud Data Security — This question tests Cloud Data Security — Read the scenario before looking for a memorised answer..
The correct answer is: Data loss prevention (DLP) policies — Data loss prevention (DLP) policies are the correct CASB feature because they allow the enterprise to define content inspection rules that scan files for sensitive data patterns, such as credit card numbers (matching Luhn algorithm or regex patterns like those in PCI DSS). When a match is detected, the CASB can block the upload, quarantine the file, or trigger an alert, directly preventing data exfiltration to the cloud storage service.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
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