What type of DDos attacks can be mitigated by a FTD on a 4100/9300 without vDP loaded?
Very few. Basically only the connection-based like syn floods and similar. Protection against a modern and sophisticated DDoS attack requires an actual appliance like the vDP or upstream service.
Find answers to your questions by entering keywords or phrases in the Search bar above. New here? Use these resources to familiarize yourself with the community: