COMPUTER FUNDAMENTALS

EMERGING TRENDS IN COMPUTING

CLOUD COMPUTING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Supplying two or more pieces of information to verify identity.
A
single sign-on
B
two-factor authentication
C
security token
D
password
Explanation: 

Detailed explanation-1: -There are various ways to protect accounts via two-factor authentication: biometrics, one-time passwords, verification codes, QR codes, hardware tokens, and other methods all add another layer of security.

Detailed explanation-2: -Authentication using two or more factors to achieve authentication. Factors include: (i) something you know (e.g., password/personal identification number [PIN]); (ii) something you have (e.g., cryptographic identification device, token); or (iii) something you are (e.g., biometric).

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