You plan to deploy a Hyper-V host that runs Windows Server 2008 R2 Service Pack 1 （SP1）. You need to recommend a solution for the virtual machines （VMs） on the Hyper-V host. The solution must meet the following requirements： - The VMs must not increase beyond their original size. - The VMs must be backed up by using a host-based backup. What should you include in the recommendation？（） A. pass-through disks B. a Virtual Desktop Infrastructure （VDI） C. Device Client Access Licenses （CALs） D. Multipath I/O E. User Client Access Licenses （CALs） F. Microsoft Enterprise Desktop Virtualization （MED-V） G. VM snapshots H. Microsoft Application Virtualization （App-V） I. Second-Level Address Translation （SLAT） J. Microsoft Software Assurance K. Dynamic Memory L. a legacy network adapter M. differencing disks N. fixed-size disks