How will AWS Lambda handle the additional traffic?

An application stores images in an S3 bucket. Amazon S3 event notifications are used to trigger a Lambda function that resizes the images. Processing each image takes less than a second.

How will AWS Lambda handle the additional traffic?
A . Lambda will scale out to execute the requests concurrently.
B . Lambda will handle the requests sequentially in the order received.
C . Lambda will process multiple images in a single execution.
D . Lambda will add more compute to each execution to reduce processing time.

Answer: A

Explanation:

Reference: https://docs.aws.amazon.com/lambda/latest/dg/scaling.html