What user name and password are used to log in the administrator interface to configure the appliance?

The VMware vCenter Server Appliance has been deployed using default settings.
What user name and password are used to log in the administrator interface to configure the appliance?

A.
The initial user name and password must be supplied on the first login attempt

B.
The initial user name and password must be supplied during deployment

C.
The initial user name is root and the password is blank

D.
The initial user name is root and the password is vmware

Explanation:

Page 203 from vsphere-esxi-vcenter-server-50-installation-setup-guide.pdf