Answer: Amazon VPC

Amazon VPC (Virtual Private Cloud) is the correct answer because it allows companies to create isolated, private network environments within AWS. VPC provides: - **Private networking**: Isolated network segments with customizable IP address ranges - **Security**: Built-in security features including security groups and network ACLs - **Scalability**: Can scale automatically as network requirements grow - **Customization**: Full control over network configuration including subnets, route tables, and gateways **Why other options are incorrect:** - **Amazon ECS**: Container orchestration service, not for network isolation - **Amazon S3**: Object storage service, not for networking - **Route tables**: A component within VPC for routing traffic, but not the complete networking solution itself

Author: Ritesh Yadav