Which VPN protocol should you use?

You have a server named Server1 that runs Windows Server 2016. Server1 is located on the perimeter network, and only inbound TCP port 443 is allowed to connect Server1 from the Internet.

You install the Remote Access server role on Server1. You need to configure Server1 to accept VPN connections over port 443.

Which VPN protocol should you use?
A . PPTP
B . SSTP
C . L2TP
D . IKEv2

Answer: B

Explanation:

https://technet.microsoft.com/en-us/library/dd458955(v=ws.10).aspx