HomeInterview QuestionsAre you aware of Lambda functions in AWS?

Are you aware of Lambda functions in AWS?

🟢 Easy Conceptual Junior level
1Times asked
Jul 2026Last seen
Jul 2026First seen

💡 Model Answer

AWS Lambda is a serverless compute service that lets you run code without provisioning or managing servers. You upload a function (written in languages like Python, Node.js, Java, or Go), and Lambda automatically scales the execution environment in response to incoming events. Triggers can come from services such as S3, DynamoDB, API Gateway, or CloudWatch Events. Lambda functions are stateless and have a maximum execution time of 15 minutes, making them ideal for short, event-driven tasks like image processing, data transformation, or real-time analytics. The service handles load balancing, scaling, and fault tolerance, so you pay only for the compute time you consume. Lambda integrates with other AWS services via IAM roles, allowing fine-grained permissions and secure access to resources.

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