what are these name ambassador, adaptor, sidecar used for
search for these on http://kubernetes.io|kubernetes.io
also, it’s explained in the ckad course
what i understood is just another container used in multi container pod
yeah, you understood correctly.
Yes you understood correctly. These names are for the usage patterns. Depending on why/how you use other containers in the pod , it is named ambassador, adaptor or sidecar. Checkout the video in the CKAD course.