Invoking a Lambda Function

Difficulty: Intermediate
Duration: 6 minutes and 7 seconds
Students: 586
Rating: 5/5

This lesson provides detail on the AWS Serverless services relevant to the AWS Certified DevOps Engineer - Professional exam. We shall be looking at AWS Lambda, Amazon Simple Notification Service (SNS), Amazon Simple Queue Service (SQS), and AWS Step Functions.

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Learning Objectives

  • Be able to explain what AWS Lambda is and what its uses are
  • Define the components used within Lambda
  • Explain the different elements of a Lambda function through its creation
  • Understand the key differences between policies used within Lambda
  • Recognize how event sources and event mappings are managed for both synchronous and asynchronous invocations
  • Discover how Amazon CloudWatch can monitor metrics and logs to isolate issues with your functions
  • Learn how to check for common errors that might be causing your functions to fail
  • Understand the use cases for Amazon SNS and Amazon SQS within a serverless architecture
  • Explain how AWS Step Functions can be used when building distributed applications or automating processes
  • Understand the AWS Serverless Application Model (SAM)
Covered Topics