KCNA · Question #97
Which of the following is a feature Kubernetes provides by default as a container orchestration tool?
The correct answer is D. Automated rollouts and rollbacks. Kubernetes is designed as a container orchestration tool to automate the deployment, scaling, and management of containerized applications, including providing automated rollouts and rollbacks.
Question
Which of the following is a feature Kubernetes provides by default as a container orchestration tool?
Options
- AA portable operating system.
- BFile system redundancy.
- CA container image registry.
- DAutomated rollouts and rollbacks.
How the community answered
(49 responses)- A2% (1)
- B8% (4)
- C2% (1)
- D88% (43)
Why each option
Kubernetes is designed as a container orchestration tool to automate the deployment, scaling, and management of containerized applications, including providing automated rollouts and rollbacks.
Containers themselves provide application portability by packaging dependencies, but Kubernetes does not provide a portable operating system.
Kubernetes integrates with storage solutions but does not natively provide file system redundancy; that is typically handled by the underlying storage infrastructure.
Kubernetes does not include a container image registry by default; it consumes container images from external registries like Docker Hub or a private registry.
Kubernetes Deployments manage the lifecycle of applications, including the ability to perform rolling updates (rollouts) to new versions and to easily revert to previous stable versions (rollbacks) if issues are detected, which is a core orchestration feature.
Concept tested: Kubernetes core features
Source: https://kubernetes.io/docs/concepts/workloads/controllers/deployment/
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