You need to verify that the client laptops and tablets support Virtual Smart Cards

You are an IT consultant for small and mid-sized businesses.
One of your clients wants to start using Virtual Smart Cards on its laptops and tablets, which run Windows 8
Pro. Before implementing any changes, the client wants to ensure that the laptops and tablets support Virtual
Smart Cards.
You need to verify that the client laptops and tablets support Virtual Smart Cards.
What should you do?

A.
Ensure that the laptops and tablets are running Windows 8 Enterprise edition.

B.
Ensure that each laptop and tablet has a Trusted Platform Module (TPM) chip of version 1.2 or greater.

C.
Ensure that each laptop and tablet can read a physical smart card.

D.
Ensure that BitLocker Drive Encryption is enabled on a system drive of the laptops and tablets.

Explanation:
Understanding and Evaluating Virtual Smart Cards

http://www.microsoft.com/en-au/download/confirmation.aspx?id=29076
TPM virtual smart cards Virtual smart cards (VSCs) emulate the functionality of traditional smart cards, but
instead of requiring the purchase of additional hardware, they utilize technology that users already own and
are more likely to have with them at all times.
Microsoft virtual smart card platform is currently limited to the use of the Trusted Platform Module (TPM) chip
onboard most modern computers.