PCSE Supporting compliance requirements Practice Question
This PCSE practice question tests your understanding of supporting compliance requirements. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 multi-national corporation must prevent data exfiltration from a project containing PII for GDPR compliance. They want to restrict access to only allow data transfer within the organization. Which Google Cloud service meets this requirement?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a VPC Service Control perimeter that includes the project and restricts access to other perimeters.
VPC Service Controls allow you to define perimeters that protect the resources and data of Google Cloud services. By creating a perimeter that includes the project containing PII, you can restrict data transfer to only within the organization, preventing exfiltration to external networks or unauthorized identities, which directly meets GDPR compliance requirements.
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.
✗
Use firewall rules to block all egress traffic except to approved IP ranges.
Why it's wrong here
Firewall rules do not control data transfer to cloud storage or other Google Cloud services.
✓
Create a VPC Service Control perimeter that includes the project and restricts access to other perimeters.
Why this is correct
VPC Service Controls prevent data exfiltration by blocking access from outside the service perimeter.
Related concept
Read the scenario before looking for a memorised answer.
✗
Set IAM policies to deny the storage.objectViewer role to non-compliant users.
Why it's wrong here
IAM denies access but does not prevent authorized users from exfiltrating data.
✗
Configure Cloud NAT for the VPC to route traffic through a single IP.
Why it's wrong here
Cloud NAT does not prevent data exfiltration; it only provides outbound connectivity with a single IP.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Google Cloud often tests the misconception that network-level controls (firewalls, NAT) are sufficient to prevent data exfiltration from managed services, when in fact API-level controls like VPC Service Controls are required to block data movement through Google Cloud APIs.
Detailed technical explanation
How to think about this question
VPC Service Controls use context-aware access policies that evaluate attributes like identity, device, and network source to enforce perimeters. Under the hood, they intercept API calls to managed services (e.g., Cloud Storage, BigQuery) and block requests that originate from outside the perimeter or target resources outside the perimeter, effectively creating a data boundary. In a real-world scenario, this prevents a compromised service account from copying PII data to a bucket in another organization, even if IAM allows the operation.
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: Create a VPC Service Control perimeter that includes the project and restricts access to other perimeters. — VPC Service Controls allow you to define perimeters that protect the resources and data of Google Cloud services. By creating a perimeter that includes the project containing PII, you can restrict data transfer to only within the organization, preventing exfiltration to external networks or unauthorized identities, which directly meets GDPR compliance requirements.
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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