Google ACE Configuring access and security Practice Question
This ACE practice question tests your understanding of configuring access and security. 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.
Your organization has multiple GCP projects and wants to implement least privilege access for operations teams. Each operations team manages a specific set of projects. You have created custom roles that grant permissions to start and stop Compute Engine instances, view logs, and monitor resources. You are using Google Groups to assign roles to users. Recently, a user from the network operations team was able to modify firewall rules in a project managed by the compute operations team, causing a security incident. During the root cause analysis, you discover that the user is a member of both the network operations group and the compute operations group. The compute operations group is assigned a custom role that does not include firewall permissions. The network operations group is assigned a role that includes firewall admin permissions. How should you redesign the IAM structure to prevent cross-team access while maintaining required permissions?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "least"
Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use IAM conditions to restrict the network operations role to only the network team's projects.
Option B is correct because IAM conditions allow you to restrict the network operations team's firewall admin permissions to only their designated projects, preventing a user who is a member of both groups from using those permissions in the compute operations team's projects. This enforces least privilege by scoping the role's effectiveness based on resource attributes, without requiring project-level separation or removing the user from necessary groups.
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.
✗
Create a separate project for each team and use VPC Service Controls to isolate.
Why it's wrong here
This is overly complex and does not directly address the IAM membership conflict.
✓
Use IAM conditions to restrict the network operations role to only the network team's projects.
Why this is correct
IAM conditions can scope role use to specific projects, preventing role abuse in other projects.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Implement organization policies to deny firewall modifications unless a specific condition is met.
Why it's wrong here
This does not prevent the user from using the network ops role in the wrong project.
✗
Remove the user from the network operations group.
Why it's wrong here
This does not prevent future cross-membership issues and removes necessary access for the user.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates think removing the user from the group (Option D) or using organization policies (Option C) solves the problem, but they fail to recognize that IAM conditions can scope permissions to specific projects or resources without altering group membership or applying blanket restrictions.
Detailed technical explanation
How to think about this question
IAM conditions use Common Expression Language (CEL) to evaluate attributes like resource.name, resource.service, and resource.type at request time. For example, a condition like 'resource.name.startsWith("projects/network-team-project/")' ensures the firewall admin permission only applies to resources in that specific project, even if the role is assigned at a higher level. This allows a single custom role to be reused across teams while enforcing scope dynamically, which is more granular than project-level separation.
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.
Configuring access and security — This question tests Configuring access and security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use IAM conditions to restrict the network operations role to only the network team's projects. — Option B is correct because IAM conditions allow you to restrict the network operations team's firewall admin permissions to only their designated projects, preventing a user who is a member of both groups from using those permissions in the compute operations team's projects. This enforces least privilege by scoping the role's effectiveness based on resource attributes, without requiring project-level separation or removing the user from necessary groups.
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: "least". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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