Your company has a main office and 15 branch offices. The company has a single Active
Directory domain. All servers run Windows Server 2008 R2. You need to ensure that the
VPN connections between the main office and the branch offices meet the following
requirements: All data must be encrypted by using end-to-end encryption.The VPN
connection must use computer-level authentication.User names and passwords cannot be
used for authentication. What should you do?

A.
Configure a L2TP/IPsec connection to use version 2 of the MS-CHAP v2 authentication.

B.
Configure a L2TP/IPsec connection to use the EAP-TLS authentication.

C.
Configure a PPTP connection to use version 2 of the MS-CHAP v2 authentication.

D.
Configure an IPsec connection to use tunnel mode and preshared key authentication.