What is a characteristic of a mapped SAN LUN (RDM) set to Physical Compatibility
mode?

A.
It allows the LUN to be made into a template

B.
It allows the VMkernel to natively access NTFS data on the LUN

C.
It allows the virtual machine to use VMware snapshots

D.
It allows the guest operating system to access the hardware directly

Explanation:
Page 140 from vsphere-esxi-vcenter-server-50-storage-guide.pdf
Fibre Channel SAN Configuration Guide ESX 4.0 ESXi 4.0 vCenter Server 4.0, page 59.
Physical compatibility mode allows the guest operating system to access the hardware
directly