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ACE Practice Question: A GKE Deployment must be updated to a new…
This ACE practice question tests your understanding of a gke deployment must be updated to a new…. 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 must be updated to a new container image version with zero downtime — old Pods should be replaced gradually, not all at once. Which update strategy should be configured?
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
Recreate strategy
Recreate terminates all existing Pods before creating new ones — this causes a service interruption during the update.
B
Distractor review
Blue-green deployment using a separate Deployment and Service selector swap
Blue-green is valid for zero-downtime updates but requires maintaining two full sets of Pods simultaneously and additional infrastructure setup.
C
Best answer
RollingUpdate strategy
RollingUpdate is the default Kubernetes Deployment strategy — it replaces old Pods progressively, ensuring the service remains available throughout the update.
D
Distractor review
Canary deployment with a traffic-splitting ingress
Canary deployments are valid but require additional infrastructure (weighted ingress rules, separate Deployments) — RollingUpdate achieves zero-downtime updates more simply.
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
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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 4
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Question 5
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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: RollingUpdate strategy — RollingUpdate (the default Deployment strategy) replaces old Pods incrementally, maintaining a minimum number of available Pods throughout the update. The `maxUnavailable` and `maxSurge` fields control the rollout pace. Recreate terminates all old Pods before creating new ones, causing downtime.
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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