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ACE Practice Question: Configuring a GKE Autopilot cluster
This ACE practice question tests your understanding of configuring a gke autopilot cluster. 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 configuring a GKE Autopilot cluster. A developer reports that their pod keeps being rejected with: `Autopilot rejected pod: resource request 0.5 vCPU and 64Mi memory is below minimum`. What should the developer do?
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
Switch to GKE Standard cluster to remove resource minimums.
Switching clusters is a major architectural change. The correct fix is to set appropriate resource requests that meet Autopilot's minimums.
B
Distractor review
Add a LimitRange to the namespace to override Autopilot's minimum requirements.
LimitRange sets default and max limits within a namespace but cannot override Autopilot's enforced platform-level minimums. Autopilot's admission controller takes precedence.
C
Best answer
Set resource requests to at least 250m CPU and 512Mi memory to meet Autopilot's pod minimums.
GKE Autopilot enforces minimum resource requests. Setting requests at or above the minimum (250m CPU, 512Mi memory) allows the pod to be scheduled.
D
Distractor review
Set `resources: {}` (empty) to let Autopilot choose the correct resource allocation automatically.
An empty resources block leaves requests unset. Autopilot may mutate the pod to apply defaults, but specific workloads should have appropriate requests set to ensure correct scheduling and billing.
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.
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Question 6
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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: Set resource requests to at least 250m CPU and 512Mi memory to meet Autopilot's pod minimums. — GKE Autopilot enforces minimum resource requests for pods: at least 250m CPU and 512Mi memory per pod (as of current Autopilot configuration). Pods with requests below these minimums are mutated by Autopilot's admission controller to meet the minimums, or rejected if the request format is invalid. The developer must set resource requests at or above Autopilot's minimums. Autopilot also enforces maximum resource ratios and specific CPU/memory combinations.
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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