The correct answer is Cloud Functions, used alongside Cloud Storage and the Cloud Data Loss Prevention (DLP) API. This combination works because Cloud Storage serves as the target data repository where sensitive data resides, the Cloud DLP API performs the inspection and classification of that data, and Cloud Functions acts as the serverless trigger that automatically executes redaction or transformation logic when new objects are written to a bucket. On the Google Professional Cloud Security Engineer exam, this scenario tests your understanding of event-driven DLP workflows, often appearing as a multi-select question where you must identify the three core services that form a complete inspection-to-redaction pipeline. A common trap is to include BigQuery or Dataflow, but remember that Cloud Functions provides the lightweight, event-driven automation needed for automatic redaction without managing infrastructure. Memory tip: think of the three as "Store, Scan, and Sanitize" — Cloud Storage holds it, DLP API scans it, and Cloud Functions sanitizes it on the fly.
PCSE Practice Question: Managing operations in a cloud solution environment
This PCSE practice question tests your understanding of managing operations in a cloud solution environment. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 wants to enforce data loss prevention (DLP) for sensitive data stored in Cloud Storage. Which THREE of the following Google Cloud services can be used together to inspect, classify, and automatically redact sensitive data in Cloud Storage? (Choose three.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Cloud Storage
Cloud Storage is the target data repository where sensitive data resides, making it a necessary component of the DLP workflow. The Cloud Data Loss Prevention (DLP) API inspects and classifies the data, and Cloud Functions can be triggered by Cloud Storage events to automatically redact or transform the sensitive content before it is stored or accessed.
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.
✗
BigQuery
Why it's wrong here
BigQuery is for analytics; it is not directly used for DLP on Cloud Storage.
✓
Cloud Storage
Why this is correct
Cloud Storage stores the data and can store inspection results or redacted copies.
Related concept
Read the scenario before looking for a memorised answer.
✗
Dialogflow CX
Why it's wrong here
Dialogflow is not used for DLP; it is for building conversational interfaces.
✓
Cloud Data Loss Prevention (DLP) API
Why this is correct
Cloud DLP is the core service for inspecting and classifying sensitive data.
Related concept
Read the scenario before looking for a memorised answer.
✓
Cloud Functions
Why this is correct
Cloud Functions can be used as an event-driven trigger to start DLP inspections when objects are uploaded.
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 BigQuery is required for DLP on Cloud Storage, but BigQuery is only needed if you are analyzing structured tables; for object-level inspection and redaction in Cloud Storage, the combination of Cloud Storage, Cloud DLP API, and Cloud Functions is the correct serverless pipeline.
Detailed technical explanation
How to think about this question
Under the hood, Cloud DLP API uses over 150 built-in infoType detectors (e.g., EMAIL_ADDRESS, CREDIT_CARD_NUMBER) and supports custom regex-based detectors. Cloud Functions can be configured with a Cloud Storage trigger (e.g., google.storage.object.finalize) to invoke a DLP inspection job on newly uploaded objects, then use the DLP deidentification transform (e.g., redact, mask, or replace) to write a sanitized copy back to Cloud Storage, all without exposing raw data to downstream systems.
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.
Managing operations in a cloud solution environment — This question tests Managing operations in a cloud solution environment — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Cloud Storage — Cloud Storage is the target data repository where sensitive data resides, making it a necessary component of the DLP workflow. The Cloud Data Loss Prevention (DLP) API inspects and classifies the data, and Cloud Functions can be triggered by Cloud Storage events to automatically redact or transform the sensitive content before it is stored or accessed.
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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