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ACE Practice Question: A security audit found that several Cloud Storage…
This ACE practice question tests your understanding of a security audit found that several cloud storage…. 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 security audit found that several Cloud Storage buckets in your project have `allAuthenticatedUsers` in their IAM policy with `storage.objectViewer`. What does `allAuthenticatedUsers` grant, and why is it a security risk?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
It grants read access to any person with a Google account — effectively near-public access since Google accounts are free to create.
allAuthenticatedUsers means any Google account holder worldwide. Since Google accounts are free, this is nearly equivalent to public access and is inappropriate for internal data.
B
Distractor review
It grants access to authenticated GCP users in your organization's IAM policy — this is normal for shared resources.
This description applies to bindings using your org's domain group. allAuthenticatedUsers is a special IAM principal meaning any Google account globally.
C
Distractor review
It grants access only to users within your Google Workspace domain — a minor risk if your domain is small.
allAuthenticatedUsers applies to ANY Google account globally, not just your domain. Your domain users are covered by allUsers in your domain (a separate concept).
D
Distractor review
It grants access only to Google service accounts, which is acceptable since those are controlled.
allAuthenticatedUsers includes human Gmail/Workspace accounts, not just service accounts. Any personal Google account qualifies.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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.
Related practice questions
Related ACE practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
What is the correct order of the Google Cloud resource hierarchy from highest to lowest level?
Question 2
A compliance archive stores legal documents accessed at most once per quarter. Which Cloud Storage class minimizes storage cost while meeting that access pattern?
Question 3
Which gcloud command creates a Compute Engine VM named 'web-01' using the e2-medium machine type in zone us-central1-a?
Question 4
A team wants to receive an email alert when the average CPU utilization of VMs in a managed instance group exceeds 80% for more than 5 minutes. What should they create in Cloud Monitoring?
Question 5
A junior developer needs read-only access to all GCP resources in a project. Which IAM role grants the minimum permissions required?
Question 6
A startup creates its first Google Cloud project. Before deploying any paid resources, what must be linked to the project?
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FAQ
Questions learners often ask
What does this ACE question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: It grants read access to any person with a Google account — effectively near-public access since Google accounts are free to create. — `allAuthenticatedUsers` grants access to any person with ANY Google account — including people completely outside your organization. This is nearly equivalent to public access since anyone can create a free Google account. It's a significant security risk for buckets containing internal or sensitive data. The fix is to remove this binding and grant access only to specific identities (users, groups, service accounts) within your organization.
What should I do if I get this ACE question wrong?
Identify which ACE exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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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.