AWS Solutions Architect Associate Practice Test

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What is a key advantage of using Amazon Route 53 for DNS management?

Enhanced security protocols
Automatic load balancing capabilities
Global availability and scalability
Cost-effectiveness for all traffic types

The correct answer is: Global availability and scalability

Amazon Route 53 offers global availability and scalability as a key advantage for DNS management. This service is designed to route end users to applications by translating human-friendly names like www.example.com into numeric IP addresses. The global infrastructure of Route 53 ensures that DNS queries are resolved quickly and efficiently, regardless of the user's location. Scalability is particularly important because as your application grows and attracts more users, Route 53 can handle millions of requests per second without any degradation in performance. This means that no matter how much traffic your application experiences, Route 53 can accommodate the increase seamlessly. Furthermore, its distributed nature ensures that even if one part of the infrastructure encounters an issue, there are other operational nodes that can continue to serve requests, enhancing both reliability and availability. While other choices may reference aspects related to security, load balancing, or costs, they are not the primary differentiators or strengths associated with Route 53 in the context of DNS management. The focus on global reach and the ability to scale efficiently sets Route 53 apart as a robust solution for managing DNS.