Which of the following is the most secure method of authentication?
A.
Smart card
B.
Anonymous
C.
Username and password
D.
Biometrics
Explanation:
Biometrics is a method of authentication that uses physical characteristics, such as
fingerprints, scars, retinal patterns, and other forms of
biophysical qualities to identify a user. Nowadays, the usage of biometric devices such as hand
scanners and retinal scanners is becoming
more common in the business environment. It is the most secure method of authentication.
Answer option C is incorrect. Username and password is the least secure method of authentication
in comparison of smart card and biometrics
authentication. Username and password can be intercepted.
Answer option A is incorrect. Smart card authentication is not as reliable as biometrics
authentication.
Answer option B is incorrect. Anonymous authentication does not provide security as a user can log
on to the system anonymously and he is
not prompted for credentials.