To successfully begin and navigate a career in networking, you need to understand a great deal about how various aspects of computing and networking technologies work. You don't need to understand everything in this chapter on day one, but the more you do know about the concepts behind the technologies, the easier it will be to learning more and do more as you increase your expertise and advance in networking.
At its heart, access control is all about who (or what) is allowed to access something. In business, users are required to identify themselves — and prove their identity — before they can use workstations and applications. This section explains the concepts behind access control.
The basics of access control can be divided into two major categories:
Common terms in access control
accumulation of privileges
FTP, FTPS, and SFTP