Google ACE Practice Question: Ensuring successful operation of a cloud solution
This ACE practice question tests your understanding of ensuring successful operation of a cloud solution. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 new developer has just started at your company and has been given access to a project. They need to deploy a Cloud Run service, but they receive an error: 'Permission run.services.create denied.' The developer's IAM role is 'roles/cloudrun.viewer'. What is the most appropriate action to grant the developer the minimum necessary permissions to deploy Cloud Run services?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "minimum / minimize"
Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Grant the developer the 'roles/run.developer' role.
The 'roles/run.developer' role grants the minimum necessary permissions to deploy Cloud Run services, including run.services.create and run.services.update, without granting broader project-level access. The developer's current 'roles/cloudrun.viewer' role only allows read-only access, so upgrading to 'roles/run.developer' is the appropriate least-privilege solution.
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.
✗
Grant the developer individual permissions: run.services.create and run.services.update.
Why it's wrong here
Using custom permissions is not a best practice; predefined roles are preferred.
✗
Grant the developer the 'roles/editor' role for the project.
Why it's wrong here
Editor is a broad role that grants many permissions beyond deployment.
✓
Grant the developer the 'roles/run.developer' role.
Why this is correct
This role has the necessary permissions for deploying and managing Cloud Run services.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Add the developer to the 'roles/cloudrun.admin' role.
Why it's wrong here
Admin role is too permissive for just deploying services.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse 'roles/cloudrun.admin' with the correct role, thinking it is the standard 'admin' role for Cloud Run, but the ACE exam expects knowledge of the newer 'run.developer' role as the least-privilege option for deploying services.
Detailed technical explanation
How to think about this question
Under the hood, Cloud Run uses IAM roles with specific permissions mapped to API methods; 'roles/run.developer' includes run.services.create, run.services.update, and run.services.get, but not run.services.delete or run.services.setIamPolicy. In a real-world scenario, if the developer later needs to update service configurations or manage revisions, the 'run.developer' role covers those actions without exposing the project to broader risks.
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.
TExam Day Tips
→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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this ACE question in full detail.
Ensuring successful operation of a cloud solution — This question tests Ensuring successful operation of a cloud solution — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Grant the developer the 'roles/run.developer' role. — The 'roles/run.developer' role grants the minimum necessary permissions to deploy Cloud Run services, including run.services.create and run.services.update, without granting broader project-level access. The developer's current 'roles/cloudrun.viewer' role only allows read-only access, so upgrading to 'roles/run.developer' is the appropriate least-privilege solution.
What should I do if I get this ACE question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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