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Getting Started with Networking: The Highly Available and Scalable DNS Service from AWS

By: Author Alex Lim

Posted on

Categories Networking

Learn about Amazon Route 53, the highly available and scalable Domain Name System (DNS) web service provided by Amazon Web Services (AWS). Discover how Route 53 can help you reliably route your users to your applications.

Table of Contents

Question

Which AWS service is a highly available and scalable Domain Name System (DNS) web service?

A. NAT Gateway
B. Amazon Route 53
C. AWS Direct Connect
D. Amazon VPC

Answer

B. Amazon Route 53

Explanation

Amazon Route 53 is the DNS service that AWS offers.

Amazon Route 53 is a highly available and scalable Domain Name System (DNS) web service offered by Amazon Web Services (AWS). It is designed to provide businesses and developers with a reliable and cost-effective way to route end users to internet applications.

Key features of Amazon Route 53:

  1. Domain registration: Route 53 allows you to register new domain names or transfer existing ones.
  2. DNS management: It translates friendly domain names (like www.example.com) into IP addresses, enabling browsers to load resources.
  3. Health checks and monitoring: Route 53 monitors the health of your application and automatically routes traffic to healthy endpoints.
  4. Highly available and scalable: Built on AWS’s globally distributed infrastructure, Route 53 is designed to be highly available and automatically scale to handle large query volumes.
  5. Seamless integration with other AWS services: Route 53 works well with other AWS offerings, such as Amazon EC2, Amazon S3, and Elastic Load Balancing.

The other options mentioned are not related to DNS services:

  • NAT Gateway: Enables instances in a private subnet to connect to the internet or other AWS services.
  • AWS Direct Connect: Establishes a dedicated network connection between your network and AWS.
  • Amazon VPC: A virtual network dedicated to your AWS account, providing control over your networking environment.

In summary, Amazon Route 53 is the AWS service that provides highly available and scalable DNS functionality, making it the correct answer to the question.

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