Raw Device Mapping using Physical Compatibility Mode is supported with
which of the following vSphere features (Choose Two)?

A.
Virtual Machine Snapshots

B.
High Availability (HA)

C.
VMotion

D.
Cloning

Explanation:
Mastering VMware vSphere 4, page 270-1.
Physical compatibility mode (pRDM)
The inability to take a native Vmware snapshot of a pRDM also means that features that
depend on Vmware snapshots (the vStorage API’s for Data Protection, Vmware Data
Recovery, and Storage vMotion) don’t work with pRDMs.
VMware -Raw Device Mapping (RDM)
With Physical compatibility mode you VM can access LUN directly. This is generally
used from the application inside VM wants to directly access LUN. However using
physical compatibility mode you lose the option to clone a VM, make it a template and
migration when it involves moving disks.