AWS Serverless Microservices with Patterns and Best Practices - AWS Lambda Event Sources and Destination Trigger Service

The video tutorial covers AWS Lambda, focusing on its event sources, function structure, execution environment, and destinations. It explains how AWS Lambda can be triggered by various event sources, including HTTP calls, cronjobs, and third-party services. The tutorial also discusses common use cases, such as integrating with Amazon S3, API Gateway, and Event Bridge. Additionally, it provides a list of AWS services that can invoke Lambda functions and offers guidance on setting up these integrations.

What are the three main components of a typical AWS Lambda function?

• Trigger, execution environment, output

• Source, execution, result

• Event source, function code, destination

• Input, process, output

Which of the following can be an event source for AWS Lambda?

• A static HTML page

• An HTTP call

• A manual user input

• A local file system change

What does AWS Lambda use to execute code in different languages?

• Local development environment

• Virtual machines

• Physical servers

• Execution environment with specific runtimes

How does AWS Lambda determine where to send the output after execution?

• It does not send output anywhere

• By default to Amazon S3

• According to the function's business logic

• Based on the user's email settings

Which AWS service is commonly used with Lambda to respond to HTTP requests?

• Amazon RDS

• Amazon S3

• Amazon DynamoDB

• API Gateway

What is a common use case for AWS Lambda with Amazon S3?

• Processing an uploaded object

• Running a database query

• Generating a report

• Sending an email notification

In what way can AWS Lambda be triggered by a queue?

• By using a cron job

• By sending a direct message

• By polling records from the queue

• By manually starting the function