Well you listen to a radio and you put food in a microwave
Because it downsized the scale of the computer itself.
They should be backed up every single day as loss of data could mess up certain machines
The answer to this question is the "connection oriented sessions", this is also referred to us as dropped packet where the packet contains a lot of information. When packet sent, we need to check for delivery and when the packet is being dropped we need to resend it and repeat the procedure.