What do you call a system where users need to remember only one username and password, and be authenticated for multiple services?

What do you call a system where users need to remember only one username and password, and be authenticated for multiple services?
A . Simple Sign-on
B . Unique Sign-on
C . Single Sign-on
D . Digital Certificate

View Answer

Answer: C

Explanation:

Single sign-on (SSO) is a specialized form of software authentication that enables a user to authenticate once and gain access to the resources of multiple software systems.