The need for a file proxy solution, virus and spyware scanner, a vulnerability scanner, and HTTP decoder for URL filtering is handled by which component in the NGFW?
A. First Packet Processor
B. Stream-based Signature Engine
C. SIA (Scan It All) Processing Engine
D. Security Processing Engine
Reference: https://media.paloaltonetworks.com/documents/Single_Pass_Parallel_Processing_Architecture.pdfn (page 6)