In AWS IAM, which of the following predefined policy condition keys checks how long ago (in seconds) the MFA-validated security credentials making the request were issued using multi- factor authentication (MFA)?
A. aws:MultiFactorAuthAge
B. aws:MultiFactorAuthLast
C. aws:MFAAge
D. aws:MultiFactorAuthPrevious
A. aws:MultiFactorAuthAge
B. aws:MultiFactorAuthLast
C. aws:MFAAge
D. aws:MultiFactorAuthPrevious