A customer has an EMC NetWorker server running on a Microsoft Windows host, one storage node running on a Windows host, and two storage nodes running on UNIX hosts. Data Protection Advisor (DPA)…

A customer has an EMC NetWorker server running on a Microsoft Windows host, one storage node running on a Windows host, and two storage nodes running on UNIX hosts. Data Protection Advisor (DPA) will be installed on a separate UNIX host. The customer requires that system performance information be collected from the backup server and all storage nodes. An agent will be installed on the DPA server by default. At a minimum, how many additional agents need to be deployed assuming all permissions are granted?