ETCD is where all the data is stored in Kubernetes. The data’s like configuration data, its state, metadata, etc. In Kubernetes, etcd allows every node from a cluster to access, read, and write data.
Do check out the Intellipaat’s Kubernetes training which is a package of 10 hrs of online instructor-led training and 20 hrs of project works and exercises.
Also, take a look at our YouTube video on Kubernetes training to help you gain much more insight.