What type of authentication uses a user name and password, which are encrypted before

being sent across the Internet?

Basic authentication sends user names and passwords over the Internet as text that is uu-encoded (Unix-to-Unix encoded) but not encrypted. This form of authentication, which uses Base64 encoding, can expose your user names and passwords unless all connections are over SSL.

Answer:Basic authentication sends user names and passwords over the Internet as text that is uu-encoded but not encrypted. This form of authentication, which uses Base64 encoding, can expose your user names and passwords unless all connections are over SSL.