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ACE Practice Question: Deploying a stateful application to GKE that…
This ACE practice question tests your understanding of deploying a stateful 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 are deploying a stateful application to GKE that requires each pod to have its own dedicated persistent disk, and each disk must persist data even if the pod is rescheduled to a different node. Which Kubernetes object type should you use?
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
DaemonSet with a hostPath volume on each node.
DaemonSets run one pod per node, not multiple replicas. hostPath volumes are node-local and don't persist if a pod moves to a different node.
B
Distractor review
Deployment with an emptyDir volume for each pod.
emptyDir volumes are ephemeral — they are deleted when the pod terminates. They don't persist through rescheduling.
C
Best answer
StatefulSet with volumeClaimTemplates to provision individual PVCs per pod.
StatefulSets with volumeClaimTemplates create a unique PVC for each pod replica. The PVC persists through pod rescheduling, giving each pod its own dedicated, durable persistent disk.
D
Distractor review
Deployment with a shared PersistentVolumeClaim mounted by all pods.
A shared PVC means all pods read/write the same disk — not dedicated per-pod storage. Also, ReadWriteMany access mode is required and not all storage classes support it.
Common exam trap
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Technical deep dive
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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
What is the correct order of the Google Cloud resource hierarchy from highest to lowest level?
Question 2
A compliance archive stores legal documents accessed at most once per quarter. Which Cloud Storage class minimizes storage cost while meeting that access pattern?
Question 3
Which gcloud command creates a Compute Engine VM named 'web-01' using the e2-medium machine type in zone us-central1-a?
Question 4
A team wants to receive an email alert when the average CPU utilization of VMs in a managed instance group exceeds 80% for more than 5 minutes. What should they create in Cloud Monitoring?
Question 5
A junior developer needs read-only access to all GCP resources in a project. Which IAM role grants the minimum permissions required?
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?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: StatefulSet with volumeClaimTemplates to provision individual PVCs per pod. — StatefulSets are designed for stateful applications that require stable network identities and persistent storage. When used with volumeClaimTemplates, each pod in a StatefulSet gets its own PersistentVolumeClaim (PVC) and the backing PersistentVolume (PV) persists independently of the pod. If a pod is rescheduled, it reattaches to its own PVC. Deployments use shared or no persistent storage by design.
What should I do if I get this ACE question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related ACE NAT questions on configuration and troubleshooting.
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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.