1. What are the two main types of VPN connections?
2. (a) If we need to select a VPN protocol and we need to ensure that it works with a variety of firewalls, what is the best option? (b) If we are supporting only Linux clients and security is not our main concern, what is the best option? (c) If we can only use TCP for our VPN tunnel, what is the best option?
3. What port must be open on all firewalls that are endpoints of IPsec connections?
4. If we are setting up an IPsec server and need to support multiple clients with separate logins, where should we start configuration?
5. (a) What encryption options does L2TP have? (b) What authentication protocols are available as options in pfSense's L2TP configuration?
6. If we are setting up an OpenVPN server and don't want to use the standard Diffie-Hellman algorithm for key generation, what options do we have?
7. What option is available to make OpenVPN server configuration easier?
8. What port must be open for NAT traversal to work?