What is the correct value to configure for the Domain alias?

Refer to the Exhibit.

An administrator is adding an Active Directory over LDAP Identity Source for vCenter Single Sign-On, as indicated in the Exhibit.
What is the correct value to configure for the Domain alias?

A.
The domain’s NetBIOS name.

B.
The fully qualified domain name.

C.
vsphere.local

D.
A user defined label.

Explanation:
Explanation/Reference: