You are the network administrator for Contoso, Ltd. Many users have Windows 8.1 laptops, and your IT
department configures all of them to use Bitlocker on all fixed drives.
Many users carry sensitive corporate data on their USB drives.
You need to enable BitLocker for these USB drives.
Which key protector option should you use?

A.
TPM

B.
A .tpmfile

C.
Automatic Unlock

D.
A smartcard