It depends. For robust and high risk system, Lightweight Directory Access Protocol (LDAP) authentication, or client-side public key infrastructure authentication.
Two factor authentication is used so that users on a network or even private users don't have their accounts hacked or broken into as easily with just a single passwords based system.
A technician wishes to secure the network authentication for all remote users. Key fobs is a security technology that uses radio communication with a computer before accepting a username and password.
biometric
Authentication
B: They could be used to capture authentication information of users to gain access to their accounts
To require users to prove who they are
It is a centralized authentication service provided by Microsoft.This method of authentication uses Microsoft's Passport service to authenticate users. When you use Passport authentication, a user must have a valid Passport account to access the application.
An authenticated users are those who have passed the identification/authentication process of a particular system and are able to log-on in that system.
Centrify can offer a variety of services for Information Technology businesses and technology dependent companies. Centrify offers authentication and network identity management services for different users that are running different operating systems in a single unified enterprise environment.
Electricity used to send or socialize with other technology users.
UMTS
TACACS+ and RADIUS