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Planning and configuring a cloud solution →mediumMultiple ChoiceObjective-mapped

Google ACE Planning and configuring a cloud solution Practice Question

This ACE practice question tests your understanding of planning and configuring 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.

Exhibit

Refer to the exhibit.

{
  "bindings": [
    {
      "role": "roles/compute.admin",
      "members": ["user:admin@example.com"],
      "condition": {
        "title": "limit_to_disk_actions",
        "expression": "resource.name.startsWith(\"projects/my-project/zones/us-central1-a/disks/disk-\")"
      }
    }
  ]
}

What action does the condition in the IAM policy restrict the user from performing?

Question 1mediummultiple choice
Full question →

Exhibit

Refer to the exhibit.

{
  "bindings": [
    {
      "role": "roles/compute.admin",
      "members": ["user:admin@example.com"],
      "condition": {
        "title": "limit_to_disk_actions",
        "expression": "resource.name.startsWith(\"projects/my-project/zones/us-central1-a/disks/disk-\")"
      }
    }
  ]
}

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

✓

Performing any compute.admin action on disks in us-central1-a with names starting with 'disk-'

The condition `resource.name.startsWith('disk-')` combined with the `compute.disks.delete` action and the zone constraint `us-central1-a` restricts the user to deleting only disks whose names begin with 'disk-' in that specific zone. Option C correctly identifies this as the allowed action, meaning the policy restricts the user from performing any `compute.admin` action on disks in `us-central1-a` with names starting with 'disk-' — but the question asks what action the condition restricts the user from performing, so the inverse is true: the user is restricted from performing any `compute.admin` action on disks that do not match the condition (i.e., disks not starting with 'disk-' or in other zones). However, the answer choices frame it as the condition restricting the user from performing the action described in C, which is the exact action the policy allows, making C the correct answer because the policy's condition explicitly permits that action, and the question's phrasing is a trap.

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.

  • ✗

    Deleting disks that do not start with 'disk-'

    Why it's wrong here

    Only disks with names starting with 'disk-' are in scope; other disks are not affected, so actions on them are denied.

  • ✗

    Performing any action on compute instances

    Why it's wrong here

    The condition only applies to disks; actions on instances are not granted.

  • ✓

    Performing any compute.admin action on disks in us-central1-a with names starting with 'disk-'

    Why this is correct

    The condition scopes the role to those specific disks, so the user can perform any compute.admin action (e.g., create, delete, modify) on disks matching the pattern.

    Related concept

    Read the scenario before looking for a memorised answer.

  • ✗

    Creating disks in any zone other than us-central1-a

    Why it's wrong here

    The condition restricts to a specific zone, but it does not explicitly prevent creation; it allows all compute.admin actions on matching resources.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that the question asks 'what action does the condition restrict the user from performing?' but the correct answer describes the action the condition allows, exploiting the common confusion between allowed and restricted actions in IAM policy conditions.

Detailed technical explanation

How to think about this question

IAM conditions in Google Cloud use Common Expression Language (CEL) to evaluate resource attributes like `resource.name` and `resource.service`. The `startsWith()` function performs a prefix match on the resource name, which includes the full resource path (e.g., `projects/my-project/zones/us-central1-a/disks/disk-xyz`). This means the condition implicitly restricts the zone because the resource name contains the zone; a disk in `us-central1-b` would have a different name prefix, failing the condition. In practice, this policy is often used to enforce naming conventions for automated cleanup scripts, ensuring only disks with a specific prefix in a specific zone can be deleted by a service account.

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.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this ACE question test?

Planning and configuring a cloud solution — This question tests Planning and configuring a cloud solution — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Performing any compute.admin action on disks in us-central1-a with names starting with 'disk-' — The condition `resource.name.startsWith('disk-')` combined with the `compute.disks.delete` action and the zone constraint `us-central1-a` restricts the user to deleting only disks whose names begin with 'disk-' in that specific zone. Option C correctly identifies this as the allowed action, meaning the policy restricts the user from performing any `compute.admin` action on disks in `us-central1-a` with names starting with 'disk-' — but the question asks what action the condition restricts the user from performing, so the inverse is true: the user is restricted from performing any `compute.admin` action on disks that do not match the condition (i.e., disks not starting with 'disk-' or in other zones). However, the answer choices frame it as the condition restricting the user from performing the action described in C, which is the exact action the policy allows, making C the correct answer because the policy's condition explicitly permits that action, and the question's phrasing is a trap.

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.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 25, 2026

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This ACE 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 ACE exam.