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)?

Explanations:

aws:MultiFactorAuthAgeis the correct condition key that checks the age (in seconds) of MFA authentication.

aws:MultiFactorAuthLastis not a valid AWS IAM condition key.

aws:MFAAgeis not a recognized AWS IAM condition key.

aws:MultiFactorAuthPreviousis not a valid AWS IAM condition key.