- A
Configure Cloud Armor with a WAF rule to inspect and redact data as it enters the bucket.
Why wrong: Cloud Armor is for load balancers, not storage.
- B
Enable Security Command Center (SCC) premium tier and configure it to scan the bucket for sensitive data.
Why wrong: SCC detects vulnerabilities and threats, not DLP redaction.
- C
Use Cloud DLP with a BigQuery external table to scan the bucket contents periodically.
Why wrong: BigQuery external tables are for querying, not for inline redaction.
- D
Use Cloud Functions triggered by Cloud Storage events to call Cloud DLP API for each new object, and then store the redacted version.
Cloud Functions can process events from Cloud Storage and apply DLP transformations.
Question 691 of 1,000
Google PCA Design for security and compliance Practice Question
This PCA practice question tests your understanding of design for security and compliance. 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 organization is implementing a data loss prevention (DLP) strategy for Cloud Storage. They want to automatically scan new objects uploaded to a specific bucket and redact sensitive data. Which service and configuration should they use?
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
✓
Use Cloud Functions triggered by Cloud Storage events to call Cloud DLP API for each new object, and then store the redacted version.
Option D is correct because it uses Cloud Functions as an event-driven compute service that triggers on Cloud Storage object finalize events. The function then calls the Cloud DLP API to inspect and redact sensitive data from the new object, and writes the redacted version back to the bucket. This provides automatic, near-real-time scanning and redaction for each uploaded object, aligning with the requirement for an automated DLP strategy.
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.
- ✗
Configure Cloud Armor with a WAF rule to inspect and redact data as it enters the bucket.
Why it's wrong here
Cloud Armor is for load balancers, not storage.
- ✗
Enable Security Command Center (SCC) premium tier and configure it to scan the bucket for sensitive data.
Why it's wrong here
SCC detects vulnerabilities and threats, not DLP redaction.
- ✗
Use Cloud DLP with a BigQuery external table to scan the bucket contents periodically.
Why it's wrong here
BigQuery external tables are for querying, not for inline redaction.
- ✓
Use Cloud Functions triggered by Cloud Storage events to call Cloud DLP API for each new object, and then store the redacted version.
Why this is correct
Cloud Functions can process events from Cloud Storage and apply DLP transformations.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse Cloud DLP's batch scanning capabilities (e.g., via BigQuery or Cloud Storage inspect jobs) with the need for real-time, event-driven processing, leading them to choose Option C instead of recognizing that Cloud Functions provide the necessary automatic trigger for each new object.
Detailed technical explanation
How to think about this question
Under the hood, the Cloud Function uses a Cloud Storage trigger (e.g., google.storage.object.finalize) to invoke the function for each new object. The function then calls the Cloud DLP API's content.inspect and content.deidentify methods to detect and redact sensitive data types (e.g., PII, credit card numbers) using built-in infoTypes. The redacted object is typically written to a separate prefix or bucket to avoid infinite loops, and the function must handle large files by using streaming or chunked processing to stay within the 9-minute timeout and 2 GB memory limit of Cloud Functions.
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.
Quick reference
Cloud Service Model Comparison
| Model | You Manage | Provider Manages | Examples |
|---|---|---|---|
| IaaS | OS, runtime, apps, data | Hardware, hypervisor, networking | EC2, Azure VMs, GCP Compute Engine |
| PaaS | Apps and data | OS, runtime, middleware, hardware | Elastic Beanstalk, Azure App Service |
| SaaS | Data and settings only | Everything else | Microsoft 365, Salesforce, Workday |
| FaaS / Serverless | Function code only | Infra, scaling, runtime | Lambda, Azure Functions, Cloud Run |
| CaaS | Containers and apps | Kubernetes, OS, hardware | EKS, AKS, GKE |
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.
- →
Design for security and compliance — study guide chapter
Learn the concepts, then practise the questions
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FAQ
Questions learners often ask
What does this PCA question test?
Design for security and compliance — This question tests Design for security and compliance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use Cloud Functions triggered by Cloud Storage events to call Cloud DLP API for each new object, and then store the redacted version. — Option D is correct because it uses Cloud Functions as an event-driven compute service that triggers on Cloud Storage object finalize events. The function then calls the Cloud DLP API to inspect and redact sensitive data from the new object, and writes the redacted version back to the bucket. This provides automatic, near-real-time scanning and redaction for each uploaded object, aligning with the requirement for an automated DLP strategy.
What should I do if I get this PCA 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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Last reviewed: Jul 4, 2026
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