The security department has implemented a new laptop encryption product in the environment. The
product requires one user name and password at the time of boot up and also another password after
the operating system has finished loading. This setup is using which of the following authentication types?
A.
Two-factor authentication
B.
Single sign-on
C.
Multifactor authentication
D.
Single factor authentication
Explanation:
Single-factor authentication is when only one authentication factor is used. In this case, Something you
know is being used as an authentication factor. Username, password, and PIN form part of Something you
know.
Incorrect Answers:
A: Two-factor authentication is when two different authentication factors are provided for authentication
purposes.B: Single sign-on means that once a user (or other subject) is authenticated into a realm, reauthentication is not required for access to resources on any realm entity.
C: Multifactor authentication requires a user to provide two or more different authentication factors for
authentication purposes.Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, pp. 280, 282, 284