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Given a serverless function that processes user uploads, what happens when 1000 users upload files simultaneously?

medium📝 Predict Output Q4 of 15
AWS - Lambda
Given a serverless function that processes user uploads, what happens when 1000 users upload files simultaneously?
AThe function scales automatically to handle all uploads
BOnly one upload is processed at a time
CThe function crashes due to overload
DUploads are queued indefinitely without processing
Step-by-Step Solution
Solution:

  1. Step 1: Understand serverless concurrency

    Serverless functions like AWS Lambda can run many instances in parallel automatically.

  2. Step 2: Apply this to 1000 simultaneous uploads

    The function will scale out to process all uploads concurrently without manual intervention.

  3. Final Answer:

    The function scales automatically to handle all uploads -> Option A

  4. Quick Check:

    Serverless concurrency = automatic scaling [OK]
Quick Trick: Serverless handles many requests at once automatically [OK]
Common Mistakes:
MISTAKES
  • Assuming single-threaded processing
  • Thinking serverless crashes under load
  • Believing uploads queue without processing

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