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. example, joining, leaving, uploading sharing, and changes in visibility)

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

Explanation:

Lync Server 2013 Archiving provides options to help you meet your compliance needs.
The following types of content can be archived:
• Peer-to-peer instant messages
• Conferences (meetings), which are multiparty instant messages
• Conference content, including uploaded content (for example, handouts) and event-related content (for
• Whiteboards and polls shared during a conference
The following types of content are not archived:
• Peer-to-peer file transfers
• Audio/video for peer-to-peer instant messages and conferences
• Desktop and application sharing for peer-to-peer instant messages and conferences
References: http://technet.microsoft.com/en-us/library/lync-online-security-and-archiving.aspx