Lambda Interview Questions

19 real Lambda questions asked in live technical interviews — each with a model answer. Updated weekly.

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Can you define two lambda functions? Also, define two lists with four elements each.🟢 Easy · Coding · Asked 4×Are you aware of Lambda functions in AWS?🟢 Easy · Conceptual · Asked 1×Is there a specific purpose for creating AWS Lambda functions? For example, creating a Lambda to move files from one location to another. What other tasks can it perform?🟢 Easy · Conceptual · Asked 1×Avinash, have you created any AWS Lambda functions?🟢 Easy · Behavioral · Asked 1×Explain exactly what AWS Lambda is, and for a specific use case, what did the Lambda function do?🟢 Easy · Conceptual · Asked 1×Have you worked with AWS Lambda? If so, what did you create?🟢 Easy · Behavioral · Asked 1×Apart from stored procedures, have you worked on cloud services, EMR, and Lambda functions?🟡 Medium · Behavioral · Asked 1×What are the limitations and advantages of AWS Lambda compared to AWS Glue?🟡 Medium · Conceptual · Asked 1×Does AWS Lambda have limitations when processing training data larger than 100 MB?🟡 Medium · Conceptual · Asked 1×Can AWS Lambda process 10 GB of data?🟡 Medium · Conceptual · Asked 1×Why can't AWS Lambda replace AWS Glue for larger workloads?🟡 Medium · Conceptual · Asked 1×In a project pipeline that processes data files from various sources, can we replace AWS Glue with AWS Lambda functions?🟡 Medium · Conceptual · Asked 1×Can we replace a Lambda function with Glue?🟡 Medium · Conceptual · Asked 1×Can we replace a Glue function with a Lambda function?🟡 Medium · Conceptual · Asked 1×Does Lambda allow importing those? Which feature of Lambda functions can be used?🟢 Easy · Conceptual · Asked 1×Is there a difference between deploying a zip file directly to AWS Lambda and using that same zip as a Lambda layer? If we are using the same content, what's the difference?🟡 Medium · Conceptual · Asked 1×Are imports handled differently when packaging code into an AWS Lambda layer?🟡 Medium · Conceptual · Asked 1×Can you explain how to create an AWS Lambda layer and provide the steps you have followed in your experience?🟡 Medium · Conceptual · Asked 1×If this is just an experiment, how would you design this Lambda function?🟡 Medium · Conceptual · Asked 1×

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