Which AWS service is a highly available and scalable DNS web service?
Amazon VPC
Amazon CloudFront
Amazon Route 53
Amazon Connect
Explanations:
Amazon VPC (Virtual Private Cloud) is a service for provisioning a logically isolated network but does not provide DNS services.
Amazon CloudFront is a content delivery network (CDN) that caches content globally but is not a DNS service.
Amazon Route 53 is a highly available and scalable DNS web service that provides domain registration and routing.
Amazon Connect is a cloud-based contact center service and does not provide DNS functionality.