The answer is A B AND D mark me brainliest?
They use multiple techniques to help children.
2000 nibbles I think correct me if I’m wrong
It is known as the File Transfer Protocol or FTP. It is based on a customer server demonstrate design and uses isolate control and information associations between the customer and the server. FTP clients may conform themselves with an unmistakable content sign-in convention, regularly as a username and secret word, yet can interface namelessly if the server is designed to permit it.
An Address bus enables the cpu to communicate with a system's primary storage.