According to the AWS shared responsibility model, which task is the customer's responsibility?

Question

Options

• AMaintaining the infrastructure needed to run AWS Lambda
• BUpdating the operating system of Amazon DynamoDB instances
• CMaintaining Amazon S3 infrastructure
• DUpdating the guest operating system on Amazon EC2 instances

• A
  5% (3)
• B
  2% (1)
• C
  3% (2)
• D
  91% (58)

Explanation

AWS Shared Responsibility Model Explanation

Why D is Correct: Under the AWS Shared Responsibility Model, AWS manages security of the cloud (physical infrastructure, hypervisors, managed services), while customers are responsible for security in the cloud. Amazon EC2 is an Infrastructure as a Service (IaaS), meaning customers have full control over and responsibility for the guest operating system - including patching, updates, and maintenance.

Why the Other Options Are Wrong:

• A & C - AWS Lambda and Amazon S3 are fully managed services; AWS handles all underlying infrastructure, servers, and OS maintenance entirely.
• B - Amazon DynamoDB is a fully managed NoSQL database; AWS manages all instances, patching, and OS updates behind the scenes - customers never access the underlying infrastructure.

Memory Tip: Think "EC2 = You Control" - EC2 gives you the keys to a virtual machine, so you own everything inside it (OS, apps, data). For fully managed services like Lambda, S3, and DynamoDB, AWS locks the engine room - you only interact with the service itself. A simple rule: the more control you have, the more responsibility you carry.

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