Which two components should you recommend configuring from the Exchange admin center in Exchange Online?

You need to recommend an Office 365 solution that meets the technical requirements for email from adatum.com.

Which two components should you recommend configuring from the Exchange admin center in Exchange Online? Each correct presents a complete solution. NOTE: Each correct selection is worth one point.
A . DKIM signatures
B . a spam filter
C . a malware filter
D . data loss prevention (DLP) policies
E . a connection filter

Answer: B,E