When Creating a Guest OS Profile, the Identity Information Is

When creating a guest OS profile, the identity information is set to "*". What does this mean?

A) The username associated with the guest OS profile is a wildcard, allowing any user to make use of the profile.
B) The guest OS will be assigned a random name.
C) The guest OS will allow anonymous logins due to the use of a wildcard.
D) The identity information will be copied from the host VMM and used to determine the UUID of the guest.