This CKAD practice question tests your understanding of application deployment. 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 using the Recreate strategy for a Deployment. What happens during an update?
New pods are created before old ones are terminated
Why wrong: That describes RollingUpdate with maxSurge.
Pods are updated in-place with a rolling update
Why wrong: Recreate does not do rolling update.
All existing pods are terminated before new pods are created
Correct behavior.
Some old pods remain running until new ones become ready
Why wrong: That is rolling update behavior.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
All existing pods are terminated before new pods are created
Recreate kills all old pods before creating new ones. Option C is correct.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
New pods are created before old ones are terminated
Why it's wrong here
That describes RollingUpdate with maxSurge.
Pods are updated in-place with a rolling update
Why it's wrong here
Recreate does not do rolling update.
All existing pods are terminated before new pods are created
Why this is correct
Correct behavior.
Related concept
Static NAT maps one inside address to one outside address.
Some old pods remain running until new ones become ready
Why it's wrong here
That is rolling update behavior.
Common exam traps
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.
Detailed technical explanation
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.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
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 CKAD NAT questions on configuration and troubleshooting.
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FAQ
Application Deployment — This question tests Application Deployment — Static NAT maps one inside address to one outside address..
The correct answer is: All existing pods are terminated before new pods are created — Recreate kills all old pods before creating new ones. Option C is correct.
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 CKAD NAT questions on configuration and troubleshooting.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 21, 2026
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