- A
Write the Cloud Function code, then Deploy the function with the Cloud Storage bucket as trigger, then Upload a file to the Cloud Storage bucket, then Check the Cloud Function logs to verify execution
This is the correct order because you must first write the function code, then deploy it to create the trigger, then upload a file to trigger the function, and finally check logs to confirm execution.
- B
Deploy the function with the Cloud Storage bucket as trigger, then Write the Cloud Function code, then Upload a file to the Cloud Storage bucket, then Check the Cloud Function logs to verify execution
Why wrong: This is incorrect because you cannot deploy a function before writing its code; the deployment requires the source code.
- C
Upload a file to the Cloud Storage bucket, then Write the Cloud Function code, then Deploy the function with the Cloud Storage bucket as trigger, then Check the Cloud Function logs to verify execution
Why wrong: This is incorrect because uploading a file before the function is deployed will not trigger any function; the trigger must exist first.
- D
Check the Cloud Function logs to verify execution, then Write the Cloud Function code, then Deploy the function with the Cloud Storage bucket as trigger, then Upload a file to the Cloud Storage bucket
Why wrong: This is incorrect because checking logs before any action is taken will show nothing; the order is illogical.
Cloud Function Cloud Storage Trigger — Step-by-Step Setup | Google Professional Cloud Developer Explained
This PCD practice question tests your understanding of designing highly scalable, available, and reliable cloud-native applications. 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 set up a Cloud Function triggered by a Cloud Storage event 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
Write the Cloud Function code, then Deploy the function with the Cloud Storage bucket as trigger, then Upload a file to the Cloud Storage bucket, then Check the Cloud Function logs to verify execution
Cloud Functions can be triggered by Cloud Storage events; deployment includes specifying the bucket trigger.
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.
- ✓
Write the Cloud Function code, then Deploy the function with the Cloud Storage bucket as trigger, then Upload a file to the Cloud Storage bucket, then Check the Cloud Function logs to verify execution
Why this is correct
This is the correct order because you must first write the function code, then deploy it to create the trigger, then upload a file to trigger the function, and finally check logs to confirm execution.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Deploy the function with the Cloud Storage bucket as trigger, then Write the Cloud Function code, then Upload a file to the Cloud Storage bucket, then Check the Cloud Function logs to verify execution
Why it's wrong here
This is incorrect because you cannot deploy a function before writing its code; the deployment requires the source code.
- ✗
Upload a file to the Cloud Storage bucket, then Write the Cloud Function code, then Deploy the function with the Cloud Storage bucket as trigger, then Check the Cloud Function logs to verify execution
Why it's wrong here
This is incorrect because uploading a file before the function is deployed will not trigger any function; the trigger must exist first.
- ✗
Check the Cloud Function logs to verify execution, then Write the Cloud Function code, then Deploy the function with the Cloud Storage bucket as trigger, then Upload a file to the Cloud Storage bucket
Why it's wrong here
This is incorrect because checking logs before any action is taken will show nothing; the order is illogical.
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.
Trap categories for this question
Command / output trap
This is incorrect because checking logs before any action is taken will show nothing; the order is illogical.
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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Designing highly scalable, available, and reliable cloud-native applications — study guide chapter
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FAQ
Questions learners often ask
What does this PCD question test?
Designing highly scalable, available, and reliable cloud-native applications — This question tests Designing highly scalable, available, and reliable cloud-native applications — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Write the Cloud Function code, then Deploy the function with the Cloud Storage bucket as trigger, then Upload a file to the Cloud Storage bucket, then Check the Cloud Function logs to verify execution — Cloud Functions can be triggered by Cloud Storage events; deployment includes specifying the bucket trigger.
What should I do if I get this PCD question wrong?
Identify which PCD 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 PCD 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 PCD exam.
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