VMware Exam Questions

Which scenario requires an additional database server when adding vSphere Update Manager 5 to an env

Which scenario requires an additional database server when adding vSphere Update
Manager 5 to an environment?

A.
vCenter Appliance with an external Oracle database

B.
vCenter Application with the default database

C.
vCenter Application with an external SQL 2008 Enterprise database

D.
vCenter Appliance with an external DB2 database