FileVault2 Encryption - Frequently Asked Questions
You will need to un-encrypt the system and then re-encrypt your system through Casper to have your Recovery key managed by Casper.
No. Due to hardware limitation of Hard Drive partitioning you cannot run both OSes natively on the same Apple hardware with a single Hard Drive.
Yes. As long as the Virtualized Windows is running on a Virtualized Hard Disk (.VHD file) and not running on an Apple Boot Camp partition.
No. FileVault2 only protects the OS X partitions on Apple Hardware.
No. MBAM can only protects the Windows partitions on Apple Hardware.