You use a contained database named ContosoDb within a domain.
You need to create a user who can log on to the ContosoDb database. You also need to
ensure that you can port the database to different database servers within the domain
without additional user account configurations.
Which type of user should you create?

A.
SQL user without login

B.
User mapped to an asymmetric key

C.
Domain user

D.
login mapped to a virtual account