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ACE Practice Question: A team's Cloud Storage bucket has fine-grained…
This ACE practice question tests your understanding of a team's cloud storage bucket has fine-grained…. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 team's Cloud Storage bucket has fine-grained access control (ACLs) enabled. They want to switch to a simpler model where IAM policies alone control access, and object-level ACLs are ignored. What should they enable?
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
Set the bucket's default object ACL to `projectPrivate` and apply it to all objects
`projectPrivate` is an ACL preset — it doesn't eliminate ACL evaluation. UBLA is the setting that disables ACLs.
B
Distractor review
Enable VPC Service Controls on the bucket
VPC Service Controls protect GCP services from data exfiltration at the API level — they don't change the ACL vs. IAM access control model for a Cloud Storage bucket.
C
Distractor review
Delete all ACLs on each object and set them to 'authenticated-read'
Deleting ACLs and setting them to `authenticated-read` doesn't disable ACL evaluation — UBLA is required to switch to pure IAM-based access control.
D
Best answer
Enable Uniform Bucket-Level Access (UBLA) on the bucket
UBLA disables object ACLs and enforces IAM-only access control — simplifying the permission model to bucket-level IAM policies for all objects.
Common exam trap
Common exam trap: ACLs stop at the first match
ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.
Technical deep dive
How to think about this question
ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.
KKey Concepts to Remember
- Standard ACLs match source addresses.
- Extended ACLs can match source, destination, protocol and ports.
- The first matching ACL entry is used.
- There is usually an implicit deny at the end.
TExam Day Tips
- Check inbound versus outbound direction.
- Read the ACL from top to bottom.
- Look for a broader permit or deny above the intended line.
Key takeaway
ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Related practice questions
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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?
Standard ACLs match source addresses.
What is the correct answer to this question?
The correct answer is: Enable Uniform Bucket-Level Access (UBLA) on the bucket — Uniform bucket-level access (UBLA) disables object-level ACLs and enforces bucket-level IAM policies for all access decisions. This simplifies access management, improves auditability, and is recommended for new buckets. Once enabled, ACLs on existing objects are preserved but not evaluated.
What should I do if I get this ACE question wrong?
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related ACE ACL questions on filtering logic and placement.
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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.