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Manage and provision cloud infrastructure →mediumMultiple ChoiceObjective-mapped

Google PCA Manage and provision cloud infrastructure 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. 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/storage.objectViewer",
      "members": ["user:alice@example.com"],
      "condition": {
        "title": "restrict_to_bucket_x",
        "expression": "resource.name.startsWith('projects/_/buckets/bucket-x/')"
      }
    }
  ]
}

What does the condition in this IAM policy do?

Question 1mediummultiple choice
Full question →

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 `s3:GetObject` action to the `arn:aws:s3:::bucket-x/*` resource, which means Alice can only view (read) objects within that specific bucket. The `s3:ListBucket` 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: 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.

  • ✗

    It denies Alice access to all buckets.

    Why it's wrong here

    It grants access to bucket-x, not deny.

  • ✓

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

    Why this is correct

    Correct. The condition limits the grant to resources under bucket-x.

    Related concept

    Read the scenario before looking for a memorised answer.

  • ✗

    It allows Alice to view objects in any bucket.

    Why it's wrong here

    The condition restricts to bucket-x.

  • ✗

    It allows Alice to list all buckets in the project.

    Why it's wrong here

    The condition is on resource.name for objects, not buckets.

  • ✗

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

    Why it's wrong here

    The role is only storage.objectViewer, which is read-only.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Google Cloud often tests the distinction between bucket-level actions (like `s3:ListBucket`) and object-level actions (like `s3:GetObject`), 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

  • 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 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.

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 PCA question test?

Manage and provision cloud infrastructure — This question tests Manage and provision cloud infrastructure — Read the scenario before looking for a memorised answer..

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 `s3:GetObject` action to the `arn:aws:s3:::bucket-x/*` resource, which means Alice can only view (read) objects within that specific bucket. The `s3:ListBucket` 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?

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 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.