The suggested answer is A, B, E.
Sky Advanced Threat Preventions identification technology uses a variety of techniques to quickly identify a threat and prevent an impending attack. These methods include:
Rapid cache lookups to identify known files.
Dynamic analysis that involves unique deception techniques applied in a sandbox to trick malware into activating and self-identifying.
Additionally, machine-learning algorithms enable Sky Advanced Threat Prevention to adapt to and identify new malware in an ever-changing threat landscape
Reference: http://www.juniper.net/techpubs/en_US/release-independent/sky-atp/information-products/topic-collections/sky-atp-release-notes-d50.pdf