AWS Serverless Microservices with Patterns and Best Practices - AWS SDK for JavaScript Version 3 and Lambda Interactions

The video tutorial introduces the AWS SDK for JavaScript version 3, highlighting its modular architecture and benefits for microservices using Node.js. It covers setting up the SDK, creating a DynamoDB client, and executing CRUD operations. The tutorial also guides viewers through the SDK documentation for further examples and best practices.

What is the primary runtime environment used for the microservices discussed in the video?

• Ruby

• Java

• Node.js

• Python

Which AWS service is primarily used for CRUD operations in the product microservices?

• DynamoDB

• EC2

• RDS

• S3

What is a key feature of SDK for JavaScript Version 3 compared to Version 2?

• Limited middleware support

• Monolithic architecture

• Modular architecture

• No support for AWS resources

What are the two main resources provided for SDK Version 3?

• Installation Guide and Troubleshooting Guide

• User Manual and FAQ

• Quick Start Guide and Tutorial

• Developer Guide and API Reference Guide

Which package manager is used in the video to set up the Node.js project?

• Yarn

• NPM

• Pip

• Gradle

What is the purpose of creating a DynamoDB service client in the Node.js project?

• To handle file uploads

• To perform CRUD operations

• To manage user authentication

• To monitor application performance

Which command is used to list tables in DynamoDB using the SDK?

• ListTablesCommand

• QueryCommand

• ScanCommand

• DescribeTableCommand

What is the benefit of using separate modules in SDK Version 3?

• Increased package size

• Reduced package size

• Slower performance

• Complex installation

What is the best practice for using AWS SDK with Lambda functions?

• Establish connections inside the Lambda function

• Use a monolithic package

• Avoid using SDK

• Establish connections outside the Lambda function

Which command is used to insert a new item into a DynamoDB table?

• UpdateItemCommand

• DeleteItemCommand

• PutItemCommand

• GetItemCommand