This KCNA practice question tests your understanding of kubernetes fundamentals. 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.
Which TWO of the following are benefits of using a Deployment over managing ReplicaSets directly? (Choose two.)
Support for stateful workloads
Why wrong: StatefulSet is for stateful workloads.
Declarative scaling
Deployments allow you to declaratively set replica count.
Direct access to pod IP addresses
Why wrong: Both do not provide direct IP access.
Automatic rolling updates and rollbacks
Deployments manage ReplicaSets to enable rolling updates.
Ability to run a pod on every node
Why wrong: That's a DaemonSet.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Declarative scaling
Deployments provide rolling updates and rollback capabilities, and declarative updates. ReplicaSets do not support rolling updates natively.
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.
Support for stateful workloads
Why it's wrong here
StatefulSet is for stateful workloads.
Declarative scaling
Why this is correct
Deployments allow you to declaratively set replica count.
Related concept
Static NAT maps one inside address to one outside address.
Direct access to pod IP addresses
Why it's wrong here
Both do not provide direct IP access.
Automatic rolling updates and rollbacks
Why this is correct
Deployments manage ReplicaSets to enable rolling updates.
Related concept
Static NAT maps one inside address to one outside address.
Ability to run a pod on every node
Why it's wrong here
That's a DaemonSet.
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 KCNA NAT questions on configuration and troubleshooting.
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FAQ
Kubernetes Fundamentals — This question tests Kubernetes Fundamentals — Static NAT maps one inside address to one outside address..
The correct answer is: Declarative scaling — Deployments provide rolling updates and rollback capabilities, and declarative updates. ReplicaSets do not support rolling updates natively.
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 KCNA 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
This KCNA practice question is part of Courseiva's free CNCF 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 KCNA exam.
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