AWS Certified SysOps Administrator SOA-C01 – Question485

For IAM user, a virtual Multi-Factor Authentication (MFA) device uses an application that gener-ates ______-digit authentication codes that are compatible with the time-based one-time password (TOTP) standard.

A.
three
B. four
C. six
D. five

Correct Answer: C

Explanation:

Explanation: A virtual MFA device uses an application that generates six-digit authentication codes that are com-patible with the time-based one-time password (TOTP) standard. Therefore, any application that you wish to use in order to make your smart phone your virtual MFA device needs to conform with the standard. Reference:
http://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_mfa_…