What is the function of Amazon Route 53?

Amazon Route 53 serves as a highly available and scalable Domain Name System (DNS) web service that plays a key role in domain registration and traffic management. Its primary function is to translate human-readable domain names, such as www.example.com, into the numerical IP addresses that computers use to identify each other on the network. This is fundamental to allowing users to access websites and other resources on the internet effortlessly.

In addition to DNS resolution, Route 53 includes features for routing internet traffic to resources like Amazon EC2 instances, load balancers, and S3 buckets, based on several routing policies, such as weighted routing or latency-based routing. It can also register domain names, making it a one-stop solution for domain management and traffic routing.

The other options, while relevant to various aspects of AWS services, do not relate directly to the core purpose of Route 53. Creating and managing virtual private clouds pertains to Amazon VPC services, monitoring application performance is relevant to Amazon CloudWatch, and configuring security policies for AWS services is associated with AWS Identity and Access Management (IAM) or AWS WAF. Each of these services fulfills different functions within the AWS ecosystem, showcasing the specialized role that Route 53 plays in DNS management and domain services.