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ACE Practice Question: A GKE cluster running Kubernetes 1.27 needs to be…
This ACE practice question tests your understanding of a gke cluster running kubernetes 1.27 needs to be…. 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 cluster running Kubernetes 1.27 needs to be upgraded to 1.29. The cluster has a stateful workload with a PodDisruptionBudget requiring at least 2 out of 3 replicas running at all times. What is the correct upgrade sequence?
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
Upgrade node pools first, then upgrade the control plane
GKE requires the control plane to be upgraded before node pools — nodes cannot run a newer version than the control plane.
B
Best answer
Upgrade the control plane to 1.28 first, then 1.29; then upgrade node pools incrementally, respecting the PDB
GKE requires incremental minor version upgrades (1.27→1.28→1.29). The control plane upgrades first, then nodes are drained one at a time respecting the PodDisruptionBudget.
C
Distractor review
Delete and recreate the cluster at version 1.29 to skip incremental upgrades
Recreating the cluster loses all running workloads and state — it's not the appropriate approach for upgrading production clusters.
D
Distractor review
Upgrade control plane directly from 1.27 to 1.29, then upgrade node pools
GKE does not support skipping minor versions — the upgrade path is 1.27→1.28→1.29 for both control plane and node pools.
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.
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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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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: Upgrade the control plane to 1.28 first, then 1.29; then upgrade node pools incrementally, respecting the PDB — GKE upgrades must upgrade the control plane (master) first, then upgrade node pools. Node pool upgrades drain nodes one at a time, respecting PodDisruptionBudgets. GKE requires incremental version upgrades — skipping minor versions is not supported.
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.