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GCDL Practice Question: A company's application stores sensitive customer…
This GCDL practice question tests your understanding of a company's application stores sensitive customer…. 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 company's application stores sensitive customer information in Cloud Storage. A security audit finds that one bucket has 'allUsers' access granted (making it publicly accessible on the internet). The security team wants to prevent this from happening in the future. Which control prevents public access from being granted to Cloud Storage buckets?
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
Distractor review
Enable VPC Service Controls around Cloud Storage to prevent public internet access
VPC Service Controls restrict access from outside the defined perimeter but don't specifically address allUsers IAM bindings. They are primarily for preventing data exfiltration to other GCP projects, not for managing public internet accessibility of specific resources.
B
Best answer
Apply the 'storage.publicAccessPrevention' organization policy constraint, which prevents allUsers and allAuthenticatedUsers from being granted in Cloud Storage IAM policies organization-wide
Public Access Prevention is the correct control. Applied as an org policy, it makes it impossible to grant allUsers or allAuthenticatedUsers access to any bucket in the organization. Attempts to set such policies are rejected by the API. This is the definitive preventive control for accidental public bucket exposure.
C
Distractor review
Enable Cloud Armor on all Cloud Storage buckets to block public internet access
Cloud Armor is a WAF/DDoS protection service for applications behind load balancers. It doesn't apply to Cloud Storage buckets or control IAM policies that grant public access.
D
Distractor review
Configure Cloud Monitoring to alert the security team when a bucket is made public so they can revert it
Monitoring alerts are a detective control — they notify after the fact. The question asks for prevention of future incidents. Public Access Prevention is a preventive control that blocks the action before it succeeds.
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 GCDL 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
A traditional retailer currently maintains its own data centers, purchasing servers every 3–5 years and paying for facilities, power, and staff regardless of demand. When it migrates its workloads to the public cloud, which change in cost model does it experience?
Question 2
An e-commerce company plans its infrastructure for peak shopping events (e.g., Black Friday) which drive 50× normal traffic. On-premises, they must maintain 50× capacity year-round. In the cloud, they provision 50× capacity only during peak periods. Which cloud characteristic enables this cost optimization?
Question 3
Which term describes the process by which organizations integrate digital technology into all areas of their business, fundamentally changing how they operate and deliver value to customers?
Question 4
When a company moves from maintaining its own data center to using Google Cloud, which operational responsibility does Google assume that the company previously managed?
Question 5
A hospital runs a patient records system that must remain on-premises due to strict regulatory data residency requirements. However, they also want to use cloud-based AI for diagnostic imaging analysis. Which cloud deployment model best describes their architecture?
Question 6
What is virtualization in the context of cloud computing, and why is it fundamental to how cloud providers deliver services?
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FAQ
Questions learners often ask
What does this GCDL question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Apply the 'storage.publicAccessPrevention' organization policy constraint, which prevents allUsers and allAuthenticatedUsers from being granted in Cloud Storage IAM policies organization-wide — The 'storage.publicAccessPrevention' organization policy constraint (or its bucket-level equivalent) prevents Cloud Storage buckets from having allUsers or allAuthenticatedUsers granted in IAM policies. This is a definitive preventive control against accidental public bucket exposure — one of the most common cloud security misconfigurations.
What should I do if I get this GCDL question wrong?
Identify which GCDL 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 GCDL 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 GCDL exam.