Which of the following statements describes the effect of configuring mandatory Two Factor authentication (2FA) in Slack?

Which of the following statements describes the effect of configuring mandatory Two Factor authentication (2FA) in Slack?
A . Members must have a sophisticated and complex password that is updated regularly.
B . Members must use a biometric reader to authenticate with Slack.
C . Members use single sign-on (SSO) to handle the exchange of usernames and passwords on behalf of Slack.
D . Members must submit a verification code along with their password each time they sign in.

Answer: D

Explanation:

Reference: https://slack.com/intl/en-pk/help/articles/212221668-Mandatory-workspace-two-factor-authentication-