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Difficulty: EasyAWS Compute Services

A startup is deploying a new web application and needs to select the appropriate AWS compute services. They require one service to host a legacy database that demands custom operating system configurations, and a second service to execute a short-lived image resizing script whenever files are uploaded to storage, without managing any server infrastructure. Which of the following AWS compute services should the startup select to meet these requirements? (Select TWO.)

  1. Amazon EC2Answer
  2. AWS LambdaAnswer
  3. C
    Amazon EBS
  4. D
    Amazon RDS
  5. E
    AWS CloudFormation

Answer

The startup should select Amazon EC2 to host the legacy database requiring custom operating system configurations, and AWS Lambda to run the serverless image-resizing script.
Amazon EC2 is the correct choice for the legacy database because it provides full administrative control over the guest operating system, which is required for custom configurations. AWS Lambda is the correct choice for the resizing script because it is a serverless, event-driven compute service that runs code without provisioning or managing servers.

Step-by-Step Solution

1
Analyze the requirement for hosting a legacy database requiring custom operating system configurations.
Identify Amazon EC2 as the service that offers virtual servers with full administrative access (root/Administrator) to the operating system.
Custom OS-level configurations require an Infrastructure as a Service (IaaS) model like Amazon EC2.
2
Analyze the requirement for running a short-lived image resizing script without managing servers.
Identify AWS Lambda as the serverless, event-driven compute service that runs code in response to triggers like storage uploads.
Running temporary scripts without managing infrastructure is the primary use case of AWS Lambda.

Key Concept

Matching specific workload requirements to the appropriate AWS compute options based on the level of control and management overhead.
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Topics

AWS Compute Services

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