Remote dial up connections into a site can be made secure by ______.
Remote dial up connections into a site can be made secure by a call back procedure.
Remote access is the ability to communicate with a computer or network that is located some distance away over a dial-up connection. Remote access was the term originally used to describe connecting users to the Internet using a dial-up connection over traditional POTS or ISDN telephone lines.
In computer programming, a callback is a function, procedure, or method, which is passed as an argument to another function.