Your network contains an Active Directory domain named adatum.com.
All client computers either Windows 7 or Windows 2012.
Some users work from remote locations. VPN connections are often dropped and this requires users to manually reconnect their VPN.
You need to recommend a VPN solution for the users to allow for VPNs to automatically reconnect.
Which protocol should you include in the recommendation?
A. PPTP
B. SSTP
C. L2TP/IPSec
D. IKEv2
