Which AWS services can use AWS WAF to protect against common web exploitations?

Explanations:

Amazon Route 53 is a DNS service and does not directly integrate with AWS WAF for web application protection.

Amazon CloudFront is a content delivery network (CDN) that integrates with AWS WAF to protect web applications from common exploits such as SQL injection and cross-site scripting.

AWS Transfer Family is a managed service for transferring files and does not support AWS WAF integration for web application protection.

AWS Site-to-Site VPN is primarily for connecting networks securely and does not involve web application protection or AWS WAF.

Amazon API Gateway allows you to create and manage APIs and can integrate with AWS WAF to help protect APIs from common web exploits.