Ace the ITGSS DevOps Challenge 2026 – Elevate Your Engineering Game!

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What is ectd seen as in the context of Kubernetes?

A secondary storage system

A critical component that should be specially protected

In Kubernetes, etcd is a distributed key-value store that plays a vital role in maintaining the configuration data and the state of the cluster. Its primary function is to store all of the cluster's data, including metadata and configuration details about the various resources. Because etcd holds critical information that is essential for the correct operation and stability of a Kubernetes cluster, it is considered a critical component that should be specially protected.

The integrity and availability of etcd are crucial, as any loss or corruption of its data can lead to significant disruptions in cluster operations. Therefore, it is necessary to implement measures such as regular backups, secure access controls, and redundancy to ensure that etcd remains reliable and protected. This highlights the importance of viewing etcd not just as a data store but as a key component that underpins the operation of Kubernetes itself.

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An optional service for logging

A part of user interface management

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