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CCSP Practice Question: A cloud architect is designing a data loss…
A cloud architect is designing a data loss prevention (DLP) solution for a SaaS application. The DLP must inspect data in transit between end users and the cloud as well as data at rest. Which combination of controls is most appropriate?
⚠ Common exam trap
Candidates often confuse a WAF (which inspects for attacks) with a DLP service (which inspects for sensitive data content), leading them to choose Option D despite it lacking content inspection for data in transit.
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
✓
Deploy a cloud DLP service for content inspection and enforce encryption at rest.
A cloud DLP service (e.g., AWS Macie, Microsoft Purview) can inspect data in transit by analyzing API calls or traffic patterns, and encryption at rest (e.g., AES-256) protects stored data. This combination directly addresses both inspection of data in transit and protection of data at rest, which is the core requirement of the question.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use network segmentation and security groups.
Why it's wrong here
Network segmentation does not provide DLP content inspection.
- ✓
Deploy a cloud DLP service for content inspection and enforce encryption at rest.
Why this is correct
Cloud DLP inspects data in transit and at rest; encryption protects at rest.
- ✗
Use encryption at rest and backup retention policies.
Why it's wrong here
Only addresses data at rest, not in transit.
- ✗
Implement a web application firewall (WAF) and a VPN.
Why it's wrong here
WAF and VPN protect transit but are not DLP content inspection.
Quick reference
Symmetric Encryption Algorithm Comparison
| Algorithm | Key Size | Block Size | Status | Notes |
|---|---|---|---|---|
| AES-128 | 128-bit | 128-bit | Current standard | NIST approved; WPA3, TLS |
| AES-256 | 256-bit | 128-bit | Current standard | Preferred for sensitive / govt data |
| 3DES | 112-bit effective | 64-bit | Deprecated (2023) | Replaced by AES |
| DES | 56-bit | 64-bit | Broken | Cracked in < 24 h; never deploy |
| ChaCha20 | 256-bit | Stream cipher | Current | TLS 1.3, WireGuard |
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CCSP 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 CCSP exam.