AWS Certified Data Analytics Specialty 2021 - Hands-On! - Lambda Costs, Promises, and Anti-Patterns

The video tutorial explains AWS Lambda's pricing model, highlighting its free tier and cost-effectiveness. It covers Lambda's high availability, scalability, and performance guarantees, including automatic retries and caching. The tutorial discusses the 15-minute timeout limit and suggests using EC2 for longer processes. It addresses anti-patterns and workarounds, such as chaining functions for extended processing. The video also clarifies Lambda's role in dynamic websites and its stateless nature, recommending DynamoDB or S3 for state management.

What is the cost of exceeding the free tier of 1,000,000 requests per month on AWS Lambda?

• $0.10 per million requests

• $0.20 per million requests

• $0.40 per million requests

• $0.30 per million requests

What is the maximum timeout duration for an AWS Lambda function?

• 1200 seconds

• 900 seconds

• 300 seconds

• 600 seconds

Which AWS service is recommended for processing tasks that exceed Lambda's 15-minute limit?

• Amazon EC2

• Amazon RDS

• Amazon DynamoDB

• Amazon S3

Why is AWS Lambda not ideal for generating entire HTML pages dynamically?

• It has a limited execution time

• It is stateless and cannot maintain session data

• It is not cost-effective

• It lacks the necessary computing power

How can state information be managed in AWS Lambda?

• By using environment variables

• By using session variables

• By using local storage

• By using Amazon S3 or DynamoDB