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ACE Practice Question: A distributed database running on GKE requires…
This ACE practice question tests your understanding of a distributed database running on gke requires…. 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 distributed database running on GKE requires stable, persistent hostnames (pod-0, pod-1, pod-2) and ordered startup/shutdown for proper cluster initialization. Pods must retain their identity across restarts. Which Kubernetes resource is designed for this?
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
Deployment with pod affinity rules
Deployments create Pods with random names — they don't provide stable identities or ordered startup/shutdown.
B
Best answer
StatefulSet with a headless Service
StatefulSets provide stable Pod names (pod-0, pod-1...), stable DNS via headless Services, ordered deployment, and PVC retention across restarts — the standard choice for stateful clustered applications.
C
Distractor review
DaemonSet with a unique hostname label on each node
DaemonSets run one Pod per node — they don't provide ordered startup or the stable identity semantics required by distributed databases.
D
Distractor review
ReplicaSet with a fixed replica count
ReplicaSets maintain a fixed count of Pods but assign random names and don't guarantee ordering or stable network identities.
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: StatefulSet with a headless Service — StatefulSets provide stable, ordered Pod names (e.g., mysql-0, mysql-1, mysql-2) that persist across restarts, rescheduling, and rolling updates. They also support stable network identities via headless Services and ordered Pod creation/deletion — essential for distributed databases like MySQL, Cassandra, and ZooKeeper.
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.