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ACE Practice Question: A team enables OS Login on their GKE node pool
This ACE practice question tests your understanding of a team enables os login on their gke node pool. 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 team enables OS Login on their GKE node pool. What does OS Login provide for SSH access to GKE nodes compared to the default metadata-based SSH key approach?
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
OS Login stores SSH keys in a Cloud KMS-managed keystore for enhanced encryption
OS Login doesn't use Cloud KMS for key storage — it maps SSH access to IAM roles, eliminating the need for metadata-stored SSH keys entirely.
B
Distractor review
OS Login restricts SSH access to connections from specific IP ranges defined in Cloud Armor
OS Login is an identity and key management feature — it doesn't enforce IP-based access restrictions. VPC firewall rules or IAP control IP-level access.
C
Distractor review
OS Login automatically generates and rotates SSH key pairs every 24 hours
OS Login doesn't auto-rotate SSH keys — it maps user identities to IAM, and users authenticate with their own SSH keys associated with their Google account.
D
Best answer
OS Login links SSH access to IAM roles — access is centrally managed and revocable via IAM without updating VM metadata
OS Login replaces metadata SSH key management with IAM-based access control. Revoking IAM role immediately revokes SSH access — no per-VM key cleanup needed.
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.
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Question 3
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Question 4
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Question 5
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Question 6
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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: OS Login links SSH access to IAM roles — access is centrally managed and revocable via IAM without updating VM metadata — OS Login links Linux user accounts on VMs to IAM identities. SSH access is controlled by IAM roles (`roles/compute.osLogin` for regular access, `roles/compute.osAdminLogin` for sudo). This means SSH key management is centralized in IAM, keys are not stored in VM metadata, and access can be revoked instantly by modifying IAM bindings.
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.