- A
Enable versioning on the primary bucket, then create a Cloud Function to copy new objects to the DR bucket, then test the procedure.
This is the correct order because versioning must be enabled first to preserve object history, then the Cloud Function is created to automatically copy new objects to the DR bucket, and finally testing validates the setup.
- B
Create a Cloud Function to copy new objects to the DR bucket, then enable versioning on the primary bucket, then test.
Why wrong: This is incorrect because if the Cloud Function is created before enabling versioning, it may copy objects that are later accidentally deleted, and versioning would not protect the original versions. Versioning should be set up first.
- C
Create a Cloud Function, then test, then enable versioning.
Why wrong: This is incorrect because testing before enabling versioning is meaningless; versioning is a critical component of the disaster recovery plan. Also, the function needs versioning to work correctly.
- D
Enable versioning, then test, then create the Cloud Function.
Why wrong: This is incorrect because testing before creating the Cloud Function does not validate the recovery mechanism. The function must exist to copy objects, so it should be created before testing.
Implementing Disaster Recovery with Cloud Storage and Cloud Functions
This PCA practice question tests your understanding of analyze and optimize technical and business processes. 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.
Drag and drop the steps to implement a disaster recovery plan using Cloud Storage and Cloud Functions in the correct order.
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
Enable versioning on the primary bucket, then create a Cloud Function to copy new objects to the DR bucket, then test the procedure.
Versioning protects against accidental deletion. The Cloud Function copies objects to the DR bucket.
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 versioning on the primary bucket, then create a Cloud Function to copy new objects to the DR bucket, then test the procedure.
Why this is correct
This is the correct order because versioning must be enabled first to preserve object history, then the Cloud Function is created to automatically copy new objects to the DR bucket, and finally testing validates the setup.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Create a Cloud Function to copy new objects to the DR bucket, then enable versioning on the primary bucket, then test.
Why it's wrong here
This is incorrect because if the Cloud Function is created before enabling versioning, it may copy objects that are later accidentally deleted, and versioning would not protect the original versions. Versioning should be set up first.
- ✗
Create a Cloud Function, then test, then enable versioning.
Why it's wrong here
This is incorrect because testing before enabling versioning is meaningless; versioning is a critical component of the disaster recovery plan. Also, the function needs versioning to work correctly.
- ✗
Enable versioning, then test, then create the Cloud Function.
Why it's wrong here
This is incorrect because testing before creating the Cloud Function does not validate the recovery mechanism. The function must exist to copy objects, so it should be created before testing.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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.
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Analyze and optimize technical and business processes — study guide chapter
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FAQ
Questions learners often ask
What does this PCA question test?
Analyze and optimize technical and business processes — This question tests Analyze and optimize technical and business processes — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable versioning on the primary bucket, then create a Cloud Function to copy new objects to the DR bucket, then test the procedure. — Versioning protects against accidental deletion. The Cloud Function copies objects to the DR bucket.
What should I do if I get this PCA question wrong?
Identify which PCA exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jun 11, 2026
This PCA practice question is part of Courseiva's free Google Cloud certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PCA exam.
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