- A
Increase the memory allocation for the function.
Why wrong: More memory provides more CPU, but a single function processing sequentially may still time out on very large images.
- B
Use Cloud Tasks to queue the processing and run the function as a task handler.
Cloud Tasks allows asynchronous processing with retries, reducing timeouts and enabling parallel execution.
- C
Increase the Cloud Function timeout to 540 seconds.
Why wrong: Increasing timeout only delays timeouts; large images may still exceed the new limit, and it doesn't address concurrency.
- D
Split the function into separate functions for each resize operation.
Why wrong: This is a major code refactor and does not address the underlying reliability of processing each image.
Question 985 of 1,000
Google PCA Practice Question: Analyze and optimize technical and business processes
This PCA practice question tests your understanding of analyze and optimize technical and business processes. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 is using Cloud Functions (2nd gen) for event-driven processing of uploaded images in Cloud Storage. Each image is resized to multiple sizes and stored back in different buckets. Recently, the number of uploads has increased 10x, and the team notices that some images are not being processed, and logs show function execution timeouts after 60 seconds. The function's timeout is set to 60 seconds. The code processes images sequentially. The team needs to reliably process all images with minimal code changes. What should they do?
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 Tasks to queue the processing and run the function as a task handler.
The correct answer is B: Use Cloud Tasks to queue the processing and run the function as a task handler. This decouples the image processing from the upload event, allowing retries and better scalability. Cloud Tasks can handle the increased load and provide reliable execution with built-in retries. Option A (increase memory) may improve performance but does not address the timeout issue when processing multiple images sequentially. Option C (increase timeout to 540 seconds) would merely extend the timeout window but still risks timeouts and does not scale. Option D (split into separate functions) increases complexity and requires significant code changes without addressing the fundamental sequential processing bottleneck.
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.
- ✗
Increase the memory allocation for the function.
Why it's wrong here
More memory provides more CPU, but a single function processing sequentially may still time out on very large images.
- ✓
Use Cloud Tasks to queue the processing and run the function as a task handler.
Why this is correct
Cloud Tasks allows asynchronous processing with retries, reducing timeouts and enabling parallel execution.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Increase the Cloud Function timeout to 540 seconds.
Why it's wrong here
Increasing timeout only delays timeouts; large images may still exceed the new limit, and it doesn't address concurrency.
- ✗
Split the function into separate functions for each resize operation.
Why it's wrong here
This is a major code refactor and does not address the underlying reliability of processing each image.
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.
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.
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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: Use Cloud Tasks to queue the processing and run the function as a task handler. — The correct answer is B: Use Cloud Tasks to queue the processing and run the function as a task handler. This decouples the image processing from the upload event, allowing retries and better scalability. Cloud Tasks can handle the increased load and provide reliable execution with built-in retries. Option A (increase memory) may improve performance but does not address the timeout issue when processing multiple images sequentially. Option C (increase timeout to 540 seconds) would merely extend the timeout window but still risks timeouts and does not scale. Option D (split into separate functions) increases complexity and requires significant code changes without addressing the fundamental sequential processing bottleneck.
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
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 →
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Last reviewed: Jun 24, 2026
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