Which three statements about DPI are true?

A cloud administrator is considering deep packet inspection to secure the cloud infrastructure. Which three statements about DPI are true? (Choose three.)
A. The use of DPI makes it possible to find, identify, classify, reroute, or block packets with specific data or code payloads.
B. DPI does not require updates and revisions to remain optimally effective.
C. DPI is an advanced method of packet filtering that functions at the application layer of the OSI.
D. DPI examines only packet headers.
E. DPI is essential in protecting the cloud against malicious threats such as web exploits, zeroday attacks, data exfiltration, and malware-based botnets.
F. DPI can increase computer speed because it decreases the burden on the processor.

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