AWS Certified Data Analytics Specialty 2021 - Hands-On! - [Exercise] AWS Lambda

What is the primary reason for replacing the consumer script with an AWS Lambda function?

• To simplify the data processing logic

• To enhance the security of data

• To improve the scalability of the system

• To reduce the cost of EC2 instances

Which two AWS services does the IAM role need permissions for in this setup?

• Amazon S3 and Amazon RDS

• Amazon EC2 and Amazon S3

• Amazon Lambda and Amazon S3

• Amazon Kinesis and Amazon DynamoDB

What runtime is selected for the Lambda function in this tutorial?

• Java

• Ruby

• Python

• Node.js

What is the purpose of adding a Kinesis trigger to the Lambda function?

• To log errors in the Lambda function

• To feed data from the Kinesis stream into the Lambda function

• To monitor the performance of the Lambda function

• To automatically scale the Lambda function

What library is used in the Lambda function code to interact with DynamoDB?

• AWS SDK for JavaScript

• AWS SDK for Java

• AWS CLI

• Boto3

How can you verify that the Lambda function is correctly storing data in DynamoDB?

• By checking the CloudWatch logs

• By monitoring the EC2 instance

• By refreshing the DynamoDB table items

• By reviewing the IAM role policies

What is a cost consideration mentioned regarding the Kinesis stream?

• It incurs charges only when it is deleted

• It incurs charges only when data is stored

• It incurs charges as long as it exists

• It incurs charges only when data is processed