The answer is VPC Service Controls, the primary Google Cloud feature to enforce GDPR data residency. This service allows you to define perimeters around Google Cloud projects that restrict data movement and access to specific services within a chosen region, effectively blocking egress of PII to unauthorized geographic boundaries. On the Google Professional Cloud Security Engineer exam, this question tests your understanding of how context-aware access policies prevent data exfiltration, even from compromised projects—a common trap is confusing this with IAM or Cloud KMS, which manage access and encryption but not geographic boundaries. Remember that VPC Service Controls create a “data fence” around your resources, not just a network firewall. For a quick memory tip: think “Perimeter = Data Prison,” where the walls are your GDPR region and the guards are context-aware policies.
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 company needs to store PII in Google Cloud and comply with GDPR data residency requirements. What is the primary Google Cloud feature to enforce data residency?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "primary"
Why it matters: Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
VPC Service Controls
VPC Service Controls (option D) is the primary Google Cloud feature to enforce data residency because it allows you to define perimeters that restrict data movement and access to specific Google Cloud services within a chosen region. By creating a VPC Service Controls perimeter, you can prevent data from being copied or accessed outside of the allowed geographic boundaries, directly addressing GDPR data residency requirements. This is achieved through context-aware access policies that block egress of data to unauthorized regions, even if an attacker gains access to a project.
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.
✗
Organization policies
Why it's wrong here
Organization policies can restrict where resources are created but do not prevent data exfiltration after creation.
✗
Cloud Data Loss Prevention
Why it's wrong here
Cloud DLP inspects and classifies sensitive data but does not control data residency.
✗
Cloud KMS
Why it's wrong here
Cloud KMS manages encryption keys but does not enforce data residency.
✓
VPC Service Controls
Why this is correct
VPC Service Controls allow you to create perimeters that restrict data movement and access based on location, supporting data residency compliance.
Clue confirmation
The clue word "primary" in the question point toward this answer.
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 misconception that Organization policies (option A) are sufficient for data residency, but in reality, they only restrict resource creation locations, not data movement or access, which is why VPC Service Controls is the correct answer for enforcing residency at the data plane level.
Detailed technical explanation
How to think about this question
VPC Service Controls uses perimeters defined by service-perimeter configurations that include a list of projects and a set of Google Cloud services (e.g., BigQuery, Cloud Storage). When a request is made to access a resource inside the perimeter from outside, the service evaluates the request against the perimeter's ingress and egress rules, denying any operation that violates the policy. This works by intercepting API calls at the Google Front End (GFE) layer, not at the network level, meaning it can block data exfiltration even if the attacker has valid credentials, as long as the request originates from an unauthorized region or network.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
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: VPC Service Controls — VPC Service Controls (option D) is the primary Google Cloud feature to enforce data residency because it allows you to define perimeters that restrict data movement and access to specific Google Cloud services within a chosen region. By creating a VPC Service Controls perimeter, you can prevent data from being copied or accessed outside of the allowed geographic boundaries, directly addressing GDPR data residency requirements. This is achieved through context-aware access policies that block egress of data to unauthorized regions, even if an attacker gains access to a project.
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.
Are there clue words in this question I should notice?
Yes — watch for: "primary". Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A company in the EU is moving to Google Cloud and must comply with GDPR data residency requirements. They have users across multiple EU countries and want to ensure that personal data remains within the European Economic Area (EEA). They plan to use Cloud Storage, BigQuery, and Compute Engine. The security administrator sets organization policies to restrict resource locations to europe-west1, europe-west3, and europe-west4. After deploying applications, the compliance team finds that some data is stored in a Cloud Storage bucket in us-central1. Investigation shows that the bucket was created by a developer who manually chose the region. The organization policy seems to have been bypassed. The administrator confirms the policy is active and applied to the project. What is the most likely cause?
easy
A.The policy only applies to Compute Engine resources, not Cloud Storage.
✓ B.The organization policy was set at the folder level, and the project where the bucket was created is not a child of that folder.
C.The developer has the orgpolicy.policyCreator role, which allows them to bypass the policy.
D.The policy was set to allowlist mode, and us-central1 is in the allowlist.
Why B: Organization policies in Google Cloud are hierarchical and apply only to resources within the scope of the node (organization, folder, or project) where they are set. If the policy is set at a folder level, it does not affect projects that are not children of that folder. In this scenario, the bucket was created in a project outside the folder hierarchy where the policy was applied, so the policy was not enforced on that project, allowing the developer to choose us-central1.
Variation 2. A company must ensure that all data stored in Google Cloud remains within specific geographic regions to meet data residency regulations. Which TWO methods enforce data location restrictions? (Choose TWO.)
Why C: Option C is correct because Organization Policy constraints, specifically `constraints/gcp.resourceLocations`, allow administrators to define a list of allowed geographic locations (e.g., `in:us-central1` or `in:europe-west1`) where Google Cloud resources can be created. This policy is enforced at the project, folder, or organization level, preventing resource creation outside the permitted regions, which directly addresses data residency requirements.
Variation 3. A multinational company is migrating sensitive workloads to Google Cloud and must comply with GDPR data residency requirements. Which TWO actions ensure data remains stored only within the European Union? (Choose TWO.)
medium
A.Enable Cloud Audit Logs with export to a BigQuery dataset in the EU region.
B.Use Cloud Data Loss Prevention (DLP) to scan for sensitive data and verify it remains in the EU.
C.Use Customer-Managed Encryption Keys (CMEK) stored in a Cloud KMS key ring located in the EU.
✓ D.Define an Organization Policy with constraints/gcp.resourceLocations to allow resource creation only in EU regions.
✓ E.Set up VPC Service Controls to create a service perimeter that includes only EU regions.
Why D: Option D is correct because the Organization Policy constraint `gcp.resourceLocations` explicitly restricts the Google Cloud regions where resources can be created. By setting this constraint to allow only EU regions (e.g., `europe-west1`, `europe-west4`), you enforce that all new resources are provisioned within the European Union, directly meeting GDPR data residency requirements. This policy is evaluated at resource creation time and prevents any resource from being deployed outside the allowed locations.
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