What additional security information must be specified in the Unispered Settings window to enable communication with Unisphare Central?

A storage administrator wants to configure a system to join the list of arrays remotely monitoring for activity and system status using Central. The security policy on the Unishpere server is set to "automatic".

What additional security information must be specified in the Unispered Settings window to enable communication with Unisphare Central?
A . Unisphere Central IP address and Central Hash
B . Unisphere Central IP address and login credentials Hash
C . Unisphere Central Hash and challenge phrase
D . Unisphere Central Hash and login credentials

Answer: A