Which function is called when an object is used where a string should be?

Task dependencies in Project can be entered in minutes, hours, days, weeks, months, and years

Indicate whether the statement is true or false

Your company has implemented a new authentication system for the server room. To be given access to the room, a user must provide his user name and password. Once those factors are authenticated, the user must then provide his smart card. Which type of authentication is being used?

A. one-factor authentication B. two-factor authentication C. three-factor authentication D. four-factor authentication