What is the most efficient way to establish network connectivity from on-premises to multiple VPCs in different AWS Regions?

What is the most efficient way to establish network connectivity from on-premises to multiple VPCs in different AWS Regions?
A . Use AWS Direct Connect
B . Use AWS VPN
C . Use AWS Client VPN
D . Use an AWS Transit Gateway

View Answer

Answer: D

Explanation:

Reference https://d1.awsstatic.com/whitepapers/building-a-scalable-and-secure-multi-vpc-aws-network­infrastructure.pdf (11)