Gateways

Question 1

Internet Gateway

Answer 1

It’s a horizontally scaled, redundant, and highly available VPC component that allows communication between instances in your VPC and the Internet.

Question 2

Nat Gateway

Answer 2

Network address translation (NAT) gateway
Use to enable instances in a private subnet to connect to the internet or other AWS services, but prevent the internet from initiating a connection with those instances.

Question 3

Virtual Gateway

Answer 3

A virtual private gateway is a logical, fully redundant distributed edge routing function that sits at the edge of your VPC. As it is capable of terminating VPN connections from your on-prem or customer environments, the VPG is the VPN concentrator on the Amazon side of the Site-to-Site VPN connection.

Question 4

Customer Gateway

Answer 4

A customer gateway is a resource that is installed on the customer side and is often linked to the provider side. It provides a customer gateway inside a VPC. … An Amazon VPC VPN connection links your data center (or network) to your Amazon VPC virtual private cloud (VPC)

Question 5

Transit Gateway

Answer 5

It’s a network transit hub that you can use to interconnect your virtual private clouds (VPC) and on-premises networks.
Transit Gateway allows transitive peering between VPCs