AWS Certified Solutions Architect - Professional (#387)

A user has created a VPC with public and private subnets using the VPC wizard. Which of the below mentioned statements is true in this scenario?

The user has to manually create a NAT instance
The Amazon VPC will automatically create a NAT instance with the micro size only
VPC updates the main route table used with the private subnet, and creates a custom route table with a public subnet
VPC updates the main route table used with a public subnet, and creates a custom route table with a private subnet