An Ecommerce Company Is Looking for Ways to Deploy an Application

question 310

Multiple Choice

An ecommerce company is looking for ways to deploy an application on AWS that satisfies the following requirements: Has a simple and automated application deployment process. Has minimal deployment costs while ensuring that at least half of the instances are available to receive end-user requests. If the application fails, an automated healing mechanism will replace the affected instances. Which deployment strategy will meet these requirements?

• A) Create an AWS Elastic Beanstalk environment and configure it to use Auto Scaling and an Elastic Load Balancer. Use rolling deployments with a batch size of 50%.
• B) Create an AWS OpsWorks stack. Configure the application layer to use rolling deployments as a deployment strategy. Add an Elastic Load Balancing layer. Enable auto healing on the application layer.
• C) Use AWS CodeDeploy with Auto Scaling and an Elastic Load Balancer. Use the CodeDeployDefault. HalfAtAtime deployment strategy. Enable an Elastic Load Balancing health check to report the status of the application, and set the Auto Scaling health check to ELB.
• D) Use AWS CodeDeploy with Auto Scaling and an Elastic Load Balancer. Use a blue/green deployment strategy. Enable an Elastic Load Balancing health check to report the status of the application, and set the Auto Scaling health check to ELB.

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Definitions:

Overhunting

describes the excessive hunting of animal species to the point where it leads to a significant reduction in their population, potentially leading to extinction.

Biotic Pollution

Introduction of a foreign species into an area where it is not native.

Environmental Sustainability

The ability to meet humanity’s current needs without compromising the ability of future generations to meet their needs.

Endangered Species

A species whose numbers are so severely reduced that it is in imminent danger of extinction throughout all or part of its range. Compare with threatened species.