AWS Route 53 Functions

Main Functions of AWS Route 53

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Which of the following are the main functions of AWS Route 53? (SELECT THREE)

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Explanations

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A. B. C. D. E.

Answer: A, B, D.

Breakdown.

Option C is incorrect because Route 53 is not used for load-balancing traffic among individual AWS resource instances (like a load balancer) rather we integrate it with resources for added functionality (https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/integration-with-other-services.html)

Option E is incorrect.

In AWS, Autoscaling is used to scale underlying resources up or down based on pre-determined or dynamic factors.

Amazon Route 53 is a highly available and scalable Domain Name System (DNS) web service. You can use Route 53 to perform three main functions: Register domain names Your website needs a name, such as example.com. Route 53 lets you register a name for your website or web application, known as a domain name. * For an overview, see How Domain Registration Works. * Fora procedure, see Registering a New Domain. * Fora tutorial that takes you through registering a domain and creating a simple website in an Amazon $3 bucket, see Getting Started with Amazon Route 53. Route internet traffic to the resources for your domain When a user opens a web browser and enters your domain name (example.com) or subdomain name (apex.example.com) in the address bar, Route 53 helps connect the browser with your website or web application. * For an overview, see How Internet Traffic Is Routed to Your Website or Web Application. * For procedures, see Configuring Amazon Route 53 as Your DNS Service. Check the health of your resources Route 53 sends automated requests over the internet to a resource, such as a web server, to verify that it's reachable, available, and functional. You also can choose to receive notifications when a resource becomes unavailable and choose to route internet traffic away from unhealthy resources. * For an overview, see How Amazon Route 53 Checks the Health of Your Resources. * For procedures, see Creating Amazon Route 53 Health Checks and Configuring DNS Failover.

AWS Route 53 is a highly scalable domain name system (DNS) service that is designed to give developers and businesses a reliable way to route end users to internet applications by converting domain names like www.example.com into IP addresses that computers use to identify each other on the internet. The service provides the following main functions:

A. Register domain names: With Route 53, you can easily register a new domain name or transfer an existing one to AWS. It provides a simple registration process and the ability to manage your domains in a single place. You can also use Route 53 to register domains that are hosted outside of AWS.

B. Route internet traffic to the resources for your domain: Route 53 lets you route traffic to your internet applications by using DNS, which maps human-readable domain names to IP addresses. Route 53 can route traffic to any AWS resource, including EC2 instances, S3 buckets, and load balancers.

C. Load-balance traffic among individual AWS resource instances: Route 53 can also act as a global load balancer, which allows you to distribute traffic across multiple AWS resources in different regions or availability zones. This helps to improve the availability and performance of your applications by distributing traffic to the resources that are closest to your end users.

D. Check the health of your resources: Route 53 can monitor the health of your resources by sending requests to them and checking for expected responses. If a resource fails a health check, Route 53 can stop routing traffic to it until it becomes healthy again. This helps to ensure that your applications are highly available and responsive.

E. Auto Scale your resources: Route 53 can also be used in conjunction with other AWS services like Auto Scaling to help you automatically scale your resources up or down in response to changes in demand. When you use Route 53 with Auto Scaling, you can automatically adjust the DNS settings for your application to reflect the current state of your resources.

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