Hi guys, at the CKA exam what can I do if I f*ck up and delete an important file . . .

Tamir G:
Hi guys, at the CKA exam what can I do if I f*ck up and delete an important file and by that breaking a node for example? Is there a way to return a node to it’s initial state or I’m done for ?

sunil:
take backup before doing anything

Tamir G:
Oh I feel silly I didn’t think of that ^^ thanks.