- A
Migrate the function to Cloud Run with a longer timeout
Why wrong: Cloud Run also has a timeout (default 300s, max 3600s) but migration is more effort; the function can be fixed in Cloud Functions.
- B
Change the Cloud Functions runtime from Node.js to Python
Why wrong: Runtime change does not guarantee faster execution; the issue is the 60-second timeout.
- C
Increase the allocated memory for the function
Why wrong: More memory may speed up execution but does not extend the 60-second timeout limit.
- D
Increase the Cloud Functions timeout to 120 seconds and optimize the code
Cloud Functions allows timeout up to 60 minutes for HTTP triggers; increasing it and optimizing code addresses the timeout directly.
Question 349 of 1,000
hardMultiple ChoiceObjective-mapped
Resolving Cloud Function Timeouts: Best Approach
This PCSE practice question tests your understanding of pcse exam topics. 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 Cloud Function that processes financial data is timing out after 60 seconds. The function performs complex calculations and cannot be decomposed further. What is the best solution?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"best"Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Quick Answer
The correct answer is to increase the Cloud Function timeout to 120 seconds and optimize the code. This works because Cloud Functions for HTTP invocations supports a maximum timeout of up to 60 minutes (540 seconds), so raising the limit from the default 60 seconds directly resolves the timeout without requiring a full architectural shift. The core technical concept here is that timeout is a configurable parameter, not a hard ceiling, and combining it with code optimization addresses both the symptom and the root cause of slow execution. On the Google Professional Cloud Security Engineer exam, this scenario tests your understanding of serverless execution limits versus architectural refactoring—a common trap is assuming you must migrate to Cloud Run or change runtimes, but those options add complexity without directly solving the timeout. A key memory tip is "timeout first, migrate last": always check if you can simply extend the timeout before considering more invasive solutions.
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
✓
Increase the Cloud Functions timeout to 120 seconds and optimize the code
Option D is correct because Cloud Functions provides a configurable timeout, and the maximum timeout for HTTP functions is 60 minutes, so increasing the timeout to 120 seconds is feasible. Additionally, optimizing the code can reduce execution time. Option A is wrong because migrating to Cloud Run adds complexity and does not necessarily resolve a timeout caused by slow code; Cloud Run also has a default timeout of 60 minutes, so it may not be better than simply increasing Cloud Functions timeout. Option B is wrong because changing the programming language does not inherently reduce execution time; performance depends on the logic and algorithms. Option C is wrong because increasing memory may slightly improve CPU performance but does not extend the timeout limit; the function still times out at 60 seconds if it is not completed.
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.
- ✗
Migrate the function to Cloud Run with a longer timeout
Why it's wrong here
Cloud Run also has a timeout (default 300s, max 3600s) but migration is more effort; the function can be fixed in Cloud Functions.
- ✗
Change the Cloud Functions runtime from Node.js to Python
Why it's wrong here
Runtime change does not guarantee faster execution; the issue is the 60-second timeout.
- ✗
Increase the allocated memory for the function
Why it's wrong here
More memory may speed up execution but does not extend the 60-second timeout limit.
- ✓
Increase the Cloud Functions timeout to 120 seconds and optimize the code
Why this is correct
Cloud Functions allows timeout up to 60 minutes for HTTP triggers; increasing it and optimizing code addresses the timeout directly.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Visual reference
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 PCSE 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 PCSE question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Increase the Cloud Functions timeout to 120 seconds and optimize the code — Option D is correct because Cloud Functions provides a configurable timeout, and the maximum timeout for HTTP functions is 60 minutes, so increasing the timeout to 120 seconds is feasible. Additionally, optimizing the code can reduce execution time. Option A is wrong because migrating to Cloud Run adds complexity and does not necessarily resolve a timeout caused by slow code; Cloud Run also has a default timeout of 60 minutes, so it may not be better than simply increasing Cloud Functions timeout. Option B is wrong because changing the programming language does not inherently reduce execution time; performance depends on the logic and algorithms. Option C is wrong because increasing memory may slightly improve CPU performance but does not extend the timeout limit; the function still times out at 60 seconds if it is not completed.
What should I do if I get this PCSE question wrong?
Identify which PCSE 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.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
This PCSE 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 PCSE exam.
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