3 Questions for Azure (or other cloud) deployment

I work with academics and they are always asking questions, here are three questions generally about the cloud (these are from:

Questions you want to ask:

What impact will the management of information stored in the cloud have on existing information management policies and procedure?

Can cloud providers assure that their information security systems can support the authenticity and reliability of the organization's information, including metadata and log files?

Will it be possible to show that information is fully encrypted and protected against unauthorized disclosure?