You have a laptop that is a member of a workgroup. The laptop does not have a Trusted Platform Module
(TPM) chip.
You plan to enable BitLocker Drive Encryption (BitLocker) for the operating system drive.
What are two methods that you can use to unlock the drive when the laptop restarts? Each correct answer
presents a complete solution.

A.
a password

B.
a Near Field Communication (NFC)-enabled portable device

C.
a USB drive

D.
a user account

E.
Network Unlock

Explanation:
http://www.howtogeek.com/howto/6229/how-to-use-bitlocker-on-drives-without-tpm/