Conclusion

Creating a VPC with both public and private subnets provides you the flexibility to launch tasks and services in either a public or private subnet. Tasks and services in the private subnets can access the internet through a NAT gateway. 

  Congratulations! You now have successfully: 

 

 Created an Amazon VPC. 

 Created public and private subnets. 

 Created an internet gateway. 

 Configured a route table and associated it to a subnet. 

 Created an Amazon EC2 instance and made the instance publicly accessible. 

 Isolated an Amazon EC2 instance in a private subnet. 

 Created and assigned security groups to Amazon EC2 instances. 

 Connected to Amazon EC2 instances using Session Manager.