Which Cisco software agent uses content scanning to identify sensitive content and controls

Which Cisco software agent uses content scanning to identify sensitive content and controls the transfer of sensitive content off the local endpoint over removable storage, locally or network- attached hardware, or network applications?

A.
Cisco Trust Agent 2.0

B.
Cisco NAC Appliance Agent 4.1.3

C.
Cisco NAC Appliance Web Agent 1.0

D.
Cisco Security Agent 6.0

E.
CiscoIronPort Agent 3.0