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Manage and provision cloud infrastructure →mediumMultiple ChoiceObjective-mapped

Google PCA IAM Conditions Practice Question

This PCA practice question tests your understanding of manage and provision cloud infrastructure. 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. A key principle to apply: iAM Conditions. 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/storage.objectViewer",
      "members": ["user:alice@example.com"],
      "condition": {
        "title": "restrict_to_bucket_x",
        "expression": "resource.name.startsWith('projects/_/buckets/bucket-x/')"
      }
    }
  ]
}

Given the IAM policy:

```json

{
  "bindings": [
    {
      "role": "roles/storage.objectViewer",
      "members": ["user:alice@example.com"],
      "condition": {
        "expression": "resource.name.startsWith('projects/_/buckets/bucket-x/objects/')",
        "title": "Restrict to bucket-x"
      }
    }
  ]
}

``` What does the condition in this IAM policy do?

Exhibit

Refer to the exhibit.

{
  "bindings": [
    {
      "role": "roles/storage.objectViewer",
      "members": ["user:alice@example.com"],
      "condition": {
        "title": "restrict_to_bucket_x",
        "expression": "resource.name.startsWith('projects/_/buckets/bucket-x/')"
      }
    }
  ]
}

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

✓

It allows Alice to view objects only in bucket-x.

The condition in the IAM policy restricts the `storage.objects.get` action to the `projects/_/buckets/bucket-x/objects/*` resource, which means Alice can only view (read) objects within that specific bucket. The `storage.objects.list` action is also allowed on `bucket-x`, enabling her to list its contents. No other actions or buckets are permitted, making option B correct.

Key principle: IAM Conditions

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • ✗

    It denies Alice access to all buckets.

    Why it's wrong here

    Incorrect. The policy does not deny access; it allows read access to bucket-x only.

  • ✓

    It allows Alice to view objects only in bucket-x.

    Why this is correct

    Correct. The condition restricts the read permission to only objects in bucket-x.

    Related concept

    IAM Conditions

  • ✗

    It allows Alice to view objects in any bucket.

    Why it's wrong here

    Incorrect. The condition limits access to bucket-x, not any bucket.

  • ✗

    It allows Alice to list all buckets in the project.

    Why it's wrong here

    Incorrect. The policy does not grant permission to list all buckets; it only allows listing objects in bucket-x.

  • ✗

    It allows Alice to view and delete objects in bucket-x.

    Why it's wrong here

    Incorrect. The policy does not allow deleting objects; it only allows viewing (reading) objects in bucket-x.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Google Cloud often tests the distinction between bucket-level actions (like `storage.buckets.list`) and object-level actions (like `storage.objects.get`), and the trap here is that candidates assume 'view objects' includes listing all buckets or deleting objects, when the policy only grants specific read permissions on a single bucket.

Detailed technical explanation

How to think about this question

Under the hood, IAM policy evaluation uses an explicit deny by default, so any action not explicitly allowed is implicitly denied. The `Resource` element in an S3 policy uses ARN patterns: `arn:aws:s3:::bucket-x/*` matches all objects in bucket-x, while `arn:aws:s3:::bucket-x` matches the bucket itself for list operations. A common real-world scenario is granting read-only access to a specific bucket for auditing or reporting, where you must carefully scope both the bucket and object ARNs to prevent unintended access.

KKey Concepts to Remember

  • IAM Conditions
  • storage.objects.get
  • storage.objects.list
  • Resource Name

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

IAM Conditions

Real-world example

How this comes up in practice

A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.

What to study next

Got this wrong? Here's your next step.

Review iAM Conditions, then practise related PCA questions on the same topic to reinforce the concept.

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FAQ

Questions learners often ask

What does this PCA question test?

Manage and provision cloud infrastructure — This question tests Manage and provision cloud infrastructure — IAM Conditions.

What is the correct answer to this question?

The correct answer is: It allows Alice to view objects only in bucket-x. — The condition in the IAM policy restricts the `storage.objects.get` action to the `projects/_/buckets/bucket-x/objects/*` resource, which means Alice can only view (read) objects within that specific bucket. The `storage.objects.list` action is also allowed on `bucket-x`, enabling her to list its contents. No other actions or buckets are permitted, making option B correct.

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

Review iAM Conditions, then practise related PCA questions on the same topic to reinforce the concept.

What is the key concept behind this question?

IAM Conditions

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Last reviewed: Jun 30, 2026

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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.