Which component of the Cisco Integrated Security Solution is responsible for preventing Day Zero security risks, such as Internet worms?

Which component of the Cisco Integrated Security Solution is responsible for preventing Day Zero
security risks, such as Internet worms?

A.
Cisco Secure ACS

B.
CiscoWorks Wireless LAN Solution Engine

C.
Cisco Security Agent

D.
Cisco Catalyst 6500 Series wireless LAN services module