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A company provides devices to users.

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A company provides devices to users. When a device is registered, its ID is added to DynamoDB. A daily job activates devices using two Lambda functions:

• The Retrieve function lists unregistered device IDs.

• The Retrieve function then calls the Activate function in a loop to register each device.

The number of activations is increasing, and the company wants to avoid Lambda timeouts without modifying existing functions.

Which solution will scale appropriately?

A.

Use EventBridge Scheduler to periodically invoke the Retrieve function.

B.

Invoke the Activate function from DynamoDB Streams when a device ID is added.

C.

Use Step Functions to call the Retrieve function and use a Map state to run the Activate function for each ID.

D.

Move the Retrieve function to EC2 for longer processing time.

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