Explanation
Internet gateway is the correct answer because:
- An Internet Gateway (IGW) is a horizontally scaled, redundant, and highly available VPC component that allows communication between instances in your VPC and the internet
- It enables inbound traffic from the internet to reach resources in your VPC
- It also allows outbound traffic from your VPC to the internet
Why the other options are incorrect:
- AWS Fargate: A serverless compute engine for containers that runs on AWS infrastructure - it doesn't route internet traffic
- VPC peering connection: Allows network traffic routing between two VPCs, but doesn't handle internet traffic routing
- AWS WAF: A web application firewall that protects web applications from common web exploits, but doesn't route internet traffic to VPC resources
In AWS networking, the Internet Gateway is specifically designed to provide a target in your VPC route tables for internet-routable traffic, making it the essential component for routing inbound internet traffic to VPC resources.