Your company uses Microsoft Exchange Online and Microsoft Lync Online.
You are planning the compliance strategy for electronic correspondence.
You need to archive Lync communications for mailboxes that are placed on an in-place hold.
Which two forms of Lync communications should you archive? Each correct answer presents part of the solution.

A.
Multiparty instant messages

B.
Peer-to-peer file transfers

C.
Audio and video for peer-to-peer conferences

D.
Whiteboards and polls shared during conferences

E.
Desktop sharing sessions