Discussion 1 (Chapter 3):There are four types of VPN. Name them and give an example of when I should use that type. Do you think there will be the need for more types of VPN? Why?Discussion 2 (Chapter 11):How does software defined networking affect the management of a VPN in comparison to traditional VPN management? Does it improve or does it not improve the management of aVPN?Discussion 3 (Chapter 12):As threats and attacks are a continuing issue, what new technologies/methods do you think should be implemented to protect a VPN?Note: The first post should be made by Wednesday 11:59ET and you should post at least two more times throughout the week to your classmates. Please engage early and often.