A customer wants to make certain all connections to their RSA II management cards installed in their x346 servers are secure.  Which of the followings options could be used to ensure this requirement？（）

• A、Install SSL on all RSA II cards
• B、Enable encryption on the RSA II adapter
• C、Set up a VPN to all RSA II cards
• D、Install a certificate server on the management network and issue certificates to all RSA II cards