In this scenario which two statements are correct?

You are asked to design a DDoS prevention system to help mitigate denial-of-service attacks that target your customers. The management group wants to know the effect FlowSpec may have on current network operations if it is implemented as a solution.

In this scenario which two statements are correct? (Choose two )
A . FlowSpec can block traffic based on stateful flow information.
B . FlowSpec can block traffic based on the source address.
C . FlowSpec requires Jflow implementation and licensing.
D . FlowSpec can block traffic based on the destination address.

Answer: B, D