ACloud Guru Certified Cloud Practitioner Practice Exam

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Prepare for the ACloud Guru Certified Cloud Practitioner Exam with flashcards and multiple choice questions. Each question includes hints and explanations to ensure you're ready for your certification!

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Which AWS service is used to distribute incoming traffic across multiple EC2 instances?

CloudFormation
Elastic Load Balancer
CloudFront
Auto Scaling Group

The correct answer is: Elastic Load Balancer

The chosen answer is Elastic Load Balancer, which plays a crucial role in managing incoming application traffic. This service automatically distributes incoming traffic across multiple Amazon EC2 instances to ensure that no single instance becomes a bottleneck. By effectively directing requests based on current load, Elastic Load Balancer enhances fault tolerance and improves the overall availability of applications hosted on EC2. This service also supports various routing methods based on specific application needs, which can optimize performance and user experience. Elastic Load Balancer helps in maintaining a seamless user experience by redirecting traffic away from unhealthy instances and distributing requests efficiently across healthy ones. In contrast, CloudFormation is primarily used for deploying infrastructure as code, allowing users to create and manage AWS resources using templates. CloudFront is a content delivery network (CDN) service designed for delivering data with low latency and high transfer speeds, not necessarily for balancing traffic across EC2 instances. An Auto Scaling Group, while it can automatically adjust the number of EC2 instances in response to traffic demand, does not itself distribute traffic; that function is specifically fulfilled by the Elastic Load Balancer.