Which one of the following methods can be used to scale Cisco Security MARS deployments?

Which one of the following methods can be used to scale Cisco Security MARS deployments?

A.
Use the Cisco Security MARSsyslog forwarding feature to offload the syslog storage
requirement to an external server.

B.
Migrate from the Gen1 to Gen2 Cisco Security MARS platforms.

C.
Use redundant or duplicated Cisco Security MARS appliances to implement a multi-tier
architecture.

D.
Divide the network into multiple zones,then use the global/local controllers approach.

Explanation: