A Company Wants to Refactor Its Retail Ordering Web Application

question 101

Multiple Choice

A company wants to refactor its retail ordering web application that currently has a load-balanced Amazon EC2 instance fleet for web hosting, database API services, and business logic. The company needs to create a decoupled, scalable architecture with a mechanism for retaining failed orders while also minimizing operational costs. Which solution will meet these requirements?

• A) Use Amazon S3 for web hosting with Amazon API Gateway for database API services. Use Amazon Simple Queue Service (Amazon SQS) for order queuing. Use Amazon Elastic Container Service (Amazon ECS) for business logic with Amazon SQS long polling for retaining failed orders.
• B) Use AWS Elastic Beanstalk for web hosting with Amazon API Gateway for database API services. Use Amazon MQ for order queuing. Use AWS Step Functions for business logic with Amazon S3 Glacier Deep Archive for retaining failed orders.
• C) Use Amazon S3 for web hosting with AWS AppSync for database API services. Use Amazon Simple Queue Service (Amazon SQS) for order queuing. Use AWS Lambda for business logic with an Amazon SQS dead-letter queue for retaining failed orders.
• D) Use Amazon Lightsail for web hosting with AWS AppSync for database API services. Use Amazon Simple Email Service (Amazon SES) for order queuing. Use Amazon Elastic Kubernetes Service (Amazon EKS) for business logic with Amazon Elasticsearch Service (Amazon ES) for retaining failed orders.

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Definitions:

Business Letter

A formal document used for communication between companies, or between a company and an individual, often following a standard format.

Confidential

Information or documents that are private, sensitive, and intended to be kept secret or only shared with select individuals.

Persuasive Skills

The ability to convince or influence others to accept a particular viewpoint, buy a product, or take a specific action through logical argumentation, emotional appeal, or ethical presentation.

Corporate World

This term refers to the collective environment and culture of businesses and corporations, often emphasizing their practices, competitions, and structures.