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Designing and Planning a Cloud Solution Architecture →mediumMultiple ChoiceObjective-mapped

Google PCA Practice Question: Designing and Planning a Cloud Solution Architecture

This PCA practice question tests your understanding of designing and planning a cloud solution architecture. 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.

A company is running a containerized application on Cloud Run and needs to handle long-running requests that may exceed Cloud Run's default timeout. They also need to use WebSocket connections. What should they do?

A
Use Cloud Functions with a HTTP trigger and increase the timeout to 60 minutes.
Why wrong: Cloud Functions has a maximum timeout of 60 minutes but does not support WebSocket.
B
Deploy the application on Google Kubernetes Engine (GKE) with a NodePort service to handle WebSocket natively.
Why wrong: This works but does not use Cloud Run for the long-running requests; the question asks about Cloud Run.
C
Move WebSocket connections to Compute Engine and adjust Cloud Run timeout to 60 minutes for long requests.
Cloud Run timeout can be set to up to 60 minutes; WebSocket is not supported, so use Compute Engine for WebSocket.
D
Increase the Cloud Run container timeout to the maximum (60 minutes) and enable WebSocket support by setting an environment variable.
Why wrong: Cloud Run does not support WebSocket connections at all.

Full breakdown with real-world context →

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

✓

Move WebSocket connections to Compute Engine and adjust Cloud Run timeout to 60 minutes for long requests.

Cloud Run allows configuring request timeout up to 60 minutes. However, WebSocket support is limited; Cloud Run does not support WebSocket connections natively. For WebSocket, they should consider GKE or Compute Engine. Thus, the correct answer is to adjust Cloud Run timeout max and move WebSocket to another service.

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.

✗
Use Cloud Functions with a HTTP trigger and increase the timeout to 60 minutes.
Why it's wrong here
Cloud Functions has a maximum timeout of 60 minutes but does not support WebSocket.
✗
Deploy the application on Google Kubernetes Engine (GKE) with a NodePort service to handle WebSocket natively.
Why it's wrong here
This works but does not use Cloud Run for the long-running requests; the question asks about Cloud Run.
✓
Move WebSocket connections to Compute Engine and adjust Cloud Run timeout to 60 minutes for long requests.
Why this is correct
Cloud Run timeout can be set to up to 60 minutes; WebSocket is not supported, so use Compute Engine for WebSocket.
Related concept
Read the scenario before looking for a memorised answer.
✗
Increase the Cloud Run container timeout to the maximum (60 minutes) and enable WebSocket support by setting an environment variable.
Why it's wrong here
Cloud Run does not support WebSocket connections at all.

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

An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.

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?

Designing and Planning a Cloud Solution Architecture — This question tests Designing and Planning a Cloud Solution Architecture — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Move WebSocket connections to Compute Engine and adjust Cloud Run timeout to 60 minutes for long requests. — Cloud Run allows configuring request timeout up to 60 minutes. However, WebSocket support is limited; Cloud Run does not support WebSocket connections natively. For WebSocket, they should consider GKE or Compute Engine. Thus, the correct answer is to adjust Cloud Run timeout max and move WebSocket to another service.

What should I do if I get this PCA question wrong?

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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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.