What role does an Internet Gateway play in a VPC network?

An Internet Gateway (IGW) enables communication between a VPC and the internet. It allows resources in the VPC to send and receive internet traffic.

What type of connections needed for a Transit Gateway to support communication between VPCs in different AWS regions?

Transit Gateway Peering Connections are needed to enable communication between VPCs attached to Transit Gateways in different AWS Regions.

Can VPC peering be established between VPCs in different AWS accounts?

Yes. VPC peering can be established between VPCs in different AWS accounts, as long as both VPC owners accept the peering connection.

How is VPC peering billed in AWS?

VPC Peering is billed based on data transfer. There is no hourly charge for the peering connection itself; you pay only for the traffic that flows across it.

What is a VPC peering connection in AWS?

There is no charge for creating a VPC peering connection, but data transfer charges apply for traffic sent across the peering connection.