A security manager installed a standalone fingerprint reader at the data center. All employees that need to
access the data center have been enrolled to the reader and local reader database is always kept updates.
When an employee who has been enrolled uses the fingerprint reader the door to the data center opens. Which
of the following does this demonstrate? (Choose three.)

A.
Two-factor authentication

B.
Single sign-on

C.
Something you have

D.
Identification

E.
Authentication

F.
Authorization