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|Java - Interview Questions and Answers|
|Ans. Just like people , AWS resources too have execution roles or permissions. Seems like in such a situation Lambda function may not have sufficient privileges to perform operations on S3. For example - The execution role of Lambda may just have read permissions on S3 and we may be trying to perform PutObject operation.|
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|What are the problems one could face while working with serverless technologies like AWS Lambda ?|
|What are the advantages and disadvantages of using Lambda over EC2 ?|
|What are the different trigger types in AWS Lambda ?|
|Tell me something about Amazon Lambda.|
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|Can you explain the integration between API Gateway and Lambda if we wish to develop services using these tools.|
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|What are the benefits of using AWS Lambda over EC2 ?|
|Can we reserve resources in AWS Lambda just like we do for Ec2 instances ?|