Test your AWS Lambda knowledge with a free interactive quiz — 20 questions with answers and explanations. No signup needed to play.
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What is AWS Lambda?
In this round
What is AWS Lambda?
What is a "cold start" in the context of AWS Lambda, and why does it matter for application performance?
What is the maximum execution time (timeout) a single AWS Lambda function invocation is subject to, and what does this constraint imply about the kinds of workloads Lambda is well-suited for?
What is the general significance of AWS Lambda supporting multiple different programming language runtimes (Node.js, Python, Java, Go, and others, including custom runtimes)?
What does configuring a Lambda function's "memory allocation" actually affect, beyond just the amount of RAM available to the function?
What is a common architectural pattern combining AWS Lambda with Amazon API Gateway to build a "serverless API"?
What is a Lambda function's "handler," and what role does it play in how a function is invoked?
What is "Lambda@Edge" (or the related concept of running Lambda functions closer to end users geographically), and what benefit does it aim to provide?
What is a reasonable general criterion for identifying tasks well-suited to being implemented as an AWS Lambda function, versus tasks better suited to a different compute model?
What is an "AWS Lambda layer," and what problem does it solve for sharing code/dependencies across multiple functions?
What is the difference between "concurrency" and a single Lambda "invocation," and how does Lambda handle multiple simultaneous requests to the same function?
What is "provisioned concurrency" in AWS Lambda, and what specific problem does it address?