PCSE Supporting compliance requirements Practice Question
This PCSE practice question tests your understanding of supporting compliance requirements. 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 healthcare company subject to HIPAA must prevent data exfiltration from Google Cloud storage buckets. They already use VPC Service Controls. Which additional control should they configure to directly block unauthorized copying of data to external projects?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Configure egress rules in the VPC Service Controls perimeter
VPC Service Controls allow you to define perimeters that restrict data movement between authorized and unauthorized projects. By configuring egress rules within the perimeter, you can explicitly block copying data to external projects, directly preventing data exfiltration. This is the correct additional control because it enforces policy at the network boundary, not just at the application or storage layer.
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.
✗
Enable Cloud Data Loss Prevention (DLP) scanning
Why it's wrong here
DLP scans for sensitive data but does not block exfiltration; it's for classification, not enforcement.
✗
Use Cloud Audit Logs to review access
Why it's wrong here
Audit logs provide visibility but don't prevent exfiltration; they detect after the fact.
✗
Apply Cloud Identity-Aware Proxy (IAP) to buckets
Why it's wrong here
IAP controls user access at the application layer, not data movement between projects.
✓
Configure egress rules in the VPC Service Controls perimeter
Why this is correct
Egress rules define allowed destinations for data leaving the perimeter, directly preventing exfiltration to external projects.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Google Cloud often tests the distinction between detective controls (like audit logs) and preventive controls (like VPC Service Controls egress rules), leading candidates to choose Cloud Audit Logs because they think logging alone can stop exfiltration.
Detailed technical explanation
How to think about this question
VPC Service Controls use a perimeter to define a trusted context (e.g., authorized projects, VPC networks, and IP ranges). Egress rules within the perimeter allow you to specify allowed destinations and deny all other traffic, effectively blocking data exfiltration to external projects even if the source has legitimate access. Under the hood, this is enforced by Google Cloud's infrastructure as a service-level policy, intercepting API calls and network flows before they reach the storage backend.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
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.
Supporting compliance requirements — This question tests Supporting compliance requirements — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Configure egress rules in the VPC Service Controls perimeter — VPC Service Controls allow you to define perimeters that restrict data movement between authorized and unauthorized projects. By configuring egress rules within the perimeter, you can explicitly block copying data to external projects, directly preventing data exfiltration. This is the correct additional control because it enforces policy at the network boundary, not just at the application or storage layer.
What should I do if I get this PCSE 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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Question Discussion
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