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 new features. It explains how to set up a Node.js project to interact with AWS services like DynamoDB and SQS using the SDK. The tutorial covers CRUD operations, async communication, and best practices for using the SDK in microservices. It also guides viewers through the SDK documentation, providing practical examples and emphasizing the importance of using version 3 for performance optimization.

What is the primary reason for using AWS SDK for JavaScript Version 3 in microservices?

• It has a larger community support.

• It is specifically designed for Node.js runtime.

• It supports multiple programming languages.

• It is cheaper than other SDKs.

What is a key feature of AWS SDK for JavaScript Version 3?

• It only supports synchronous operations.

• It has a monolithic architecture.

• It includes a modular architecture with separate packages for each service.

• It is a rewrite of version one.

Which two main resources are recommended for developing interactions using AWS SDK for JavaScript?

• AWS Lambda Documentation and AWS CloudFormation Templates

• AWS CLI and AWS Management Console

• AWS SDK for JavaScript Developer Guide and API Reference Guide

• AWS EC2 User Guide and AWS S3 Documentation

What is the first step in setting up a Node.js project with AWS SDK for JavaScript?

• Setting up a virtual environment

• Configuring AWS IAM roles

• Installing AWS CLI

• Creating a new Node.js project

Which package is installed to interact with DynamoDB in a Node.js project?

• aws-sdk-node

• aws-sdk-dynamodb

• aws-sdk

• aws-sdk-client-dynamodb

What is the purpose of creating a DynamoDB client in AWS SDK for JavaScript?

• To manage AWS IAM roles

• To perform CRUD operations on DynamoDB

• To deploy AWS Lambda functions

• To configure AWS S3 buckets

Which command is used to list tables in DynamoDB using AWS SDK for JavaScript?

• DescribeTableCommand

• ScanCommand

• QueryCommand

• ListTablesCommand

What is a best practice when using AWS SDK for JavaScript in microservices?

• Using only synchronous operations

• Avoiding the use of async/await

• Creating separate modules for each AWS service interaction

• Using a single module for all AWS services

How can you reduce the package size when using AWS SDK for JavaScript Version 3?

• By using a monolithic package

• By installing only the required service packages

• By using version 2 of the SDK

• By avoiding the use of npm

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

• It allows for more efficient resource management.

• It simplifies the code structure.

• It limits the functionality of the SDK.

• It increases the package size.