Unit Study Document

Container Orchestration & Kubernetes Internals

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Kubernetes Architecture

Kubernetes manages fleet containers. At its heart is the control plane (API Server, etcd, Scheduler, Controller Manager) orchestrating worker nodes running kubelets.

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Question

What is etcd in Kubernetes?

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Answer

A consistent, highly-available key-value store used as Kubernetes' backing store for all cluster state data.

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Which component assigns pods to specific nodes based on resource constraints?

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