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ACE Practice Question: A GKE Deployment runs a web application with 6…
This ACE practice question tests your understanding of a gke deployment runs a web application with 6…. 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 GKE Deployment runs a web application with 6 replicas across a 3-node cluster. To ensure no two replicas land on the same node (maximizing availability), which Pod spec configuration should be applied?
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 topologySpreadConstraints with maxSkew: 1 and topologyKey: kubernetes.io/hostname
TopologySpreadConstraints is also valid for spreading Pods across nodes, but the question asks about the anti-affinity configuration — which is the traditional approach for hard node-exclusivity.
B
Distractor review
Set nodeSelector to a specific node for each replica
nodeSelector pins Pods to specific nodes — it requires manual management and doesn't dynamically prevent co-location.
C
Best answer
Set podAntiAffinity with requiredDuringSchedulingIgnoredDuringExecution and topologyKey: kubernetes.io/hostname
This hard anti-affinity rule prevents the scheduler from placing a Pod on a node that already runs a Pod matching the selector — guaranteeing one replica per node.
D
Distractor review
Set podAffinity with requiredDuringSchedulingIgnoredDuringExecution and topologyKey: kubernetes.io/hostname
podAffinity attracts Pods to nodes where matching Pods already run — the opposite of the desired behavior (spreading Pods apart).
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
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Question 2
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Question 3
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Question 4
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Question 5
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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: Set podAntiAffinity with requiredDuringSchedulingIgnoredDuringExecution and topologyKey: kubernetes.io/hostname — Pod anti-affinity with `topologyKey: kubernetes.io/hostname` and `requiredDuringSchedulingIgnoredDuringExecution` prevents the scheduler from placing two Pods of the same application on the same node. This distributes replicas across different nodes for higher availability.
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.