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ACE Practice Question: Deploy a containerized application to GKE that…
This ACE practice question tests your understanding of deploy a containerized application to gke that…. 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.
You need to deploy a containerized application to GKE that stores user session data. The application has 3 replicas. Session data must not be lost if a replica is restarted. All replicas share the same session store. Which architecture handles this correctly?
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
Best answer
Store sessions in Cloud Memorystore (Redis) shared by all replicas.
Redis is a fast, shared, durable session store. All replicas read/write to the same Redis instance. Pod restarts don't lose sessions since data lives outside the pod.
B
Distractor review
Store sessions in a Cloud SQL table with a connection pool per replica.
Cloud SQL can store sessions but adds SQL connection overhead and higher latency for what is fundamentally a cache/KV access pattern. Redis is purpose-built for session storage with lower latency.
C
Distractor review
Store sessions in each pod's memory; use session affinity on the load balancer to route users to the same pod.
Session affinity works until a pod restarts — at that point, session data is lost. It also creates uneven load distribution and doesn't survive pod failures.
D
Distractor review
Use an emptyDir volume shared between replicas for session storage.
emptyDir volumes are pod-local and ephemeral — they can't be shared between different pods and are deleted on pod termination.
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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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: Store sessions in Cloud Memorystore (Redis) shared by all replicas. — For shared session state across multiple application replicas, the session data should be stored in an external, shared data store — not in-process or in a local file. Cloud Memorystore (Redis) is the standard solution: fast, shared, persistent across pod restarts. Each replica reads and writes session data to the same Redis instance. If a pod restarts, the new pod reads the session from Redis, ensuring no session loss.
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.