Your network has an internal network and a perimeter network. A firewall named Firewall1 separates the perimeter network and the Internet. You deploy a server named Server1 to the perimeter network…

Your network has an internal network and a perimeter network. A firewall named Firewall1 separates the perimeter network and the Internet. You deploy a server named Server1 to the perimeter network. You configure Server1 as a PPTP VPN server. You need to ensure that users from the Internet can establish VPN connections to Server1. The solution must minimize the number of open ports on Firewall1. What should you open on the firewall? (Each correct answer presents part of the solution. Choose three.)