Speaking a passphrase into a voice print analyzer is an example of which of the following security concepts?

A.
Two factor authentication

B.
Identification and authorization

C.
Single sign-on

D.
Single factor authentication

Explanation:
Two-factor authentication is when two different authentication factors are provided for authentication purposes.
Speaking (Voice) something they are.
Passphrase something they know.
Incorrect Answers:
B: Identification is the act of claiming an identity using a single authentication factor, and authorization controls what a subject can and can’t do, access, use, or
view.
C: Single sign-on (SSO) is to give users access to all the applications and systems they need when they log on.
D: Single factor authentication only requires one authentication factor for authentication purposes.

Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, pp 278- 284.