At the base of network usage in a controlled environment are 3 questions. These questions are not alien to any kind of focused usage – on line or long before the world wide web became a all encompassing factor in business and life.

The member of AAA protocols which are known for Authentication Authorization and Accounting were first designed as remote access control mechanisms and network service providers through the modem and dial-in services but they continue to be presently

Remote Authentication Dial-In User Service (RADIUS) is a is a networking protocol and management system for users under a particular network. It is a client-server protocol that provides centralized authentication for users connected to the network.

Remote Authentication Dial-in User Service (RADIUS) is a widely used networking protocol which provides centralized user control and access management for the users in a network. It is a client-server protocol in which the client is usually a Network

A digital certificate or an identity certificate is an electronic document which is used as a proof of ownership of a public key in cryptography. A digital certificate contains identification data and public key.

A password is usually based on a combination of alpha-numericals used to authenticate a user before giving them access to a network. Passwords are used together with a username and these credentials are considered to be one of the most standard metho