Lambda, API Gateway, DynamoDB, CodePipeline, CodeDeploy, SAM, Elastic Beanstalk and CloudFormation basics.
42 cards · basic cards · AI-written, checked twice. Edit anything.
- What is AWS Lambda?
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A serverless compute service that lets you run code without provisioning servers- What is a Lambda handler?
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The entry point function that AWS Lambda invokes when a function is triggered- What sources can trigger a Lambda function?
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S3, DynamoDB, Kinesis, SNS, SQS, API Gateway, CloudWatch, CloudFormation, EventBridge- What is Lambda concurrency?
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The number of simultaneous function executions allowed in an AWS account- What are Lambda layers?
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Packages of libraries or code that can be included in deployment packages and reused across functions- What is a Lambda cold start?
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The delay that occurs when invoking a Lambda function for the first time or after it has been idle- What Lambda runtimes are supported?
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Python, Node.js, Java, Go, Ruby, C# (.NET), PowerShell, and custom runtimes- What is API Gateway?
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A managed service that allows you to create, publish, maintain, monitor, and secure REST and HTTP APIs- What are API Gateway stages?
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Separate environments for API deployment such as dev, test, and prod, each with its own settings- What are stage variables in API Gateway?
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Name-value pairs that act as variables for an API stage, similar to environment variables- What is the main difference between REST API and HTTP API in API Gateway?
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HTTP API is faster, cheaper, and lower latency; REST API has more features and integrations- How does API Gateway throttling work?
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It limits request rate per client, returning 429 (Too Many Requests) when the rate limit is exceeded- What is an API Gateway mapping template?
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A template that transforms request data into a format the backend expects and response data back to the client- What is DynamoDB?
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A fully managed, serverless NoSQL database service that supports key-value and document data structures- What are read and write capacity units in DynamoDB?
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Units that measure database throughput; RCU for reads and WCU for writes, billed per unit consumed
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