Book Image

AWS Certified Developer - Associate Guide - Second Edition

By : Vipul Tankariya, Bhavin Parmar
5 (2)
Book Image

AWS Certified Developer - Associate Guide - Second Edition

5 (2)
By: Vipul Tankariya, Bhavin Parmar

Overview of this book

This book will focus on the revised version of AWS Certified Developer Associate exam. The 2019 version of this exam guide includes all the recent services and offerings from Amazon that benefits developers. AWS Certified Developer - Associate Guide starts with a quick introduction to AWS and the prerequisites to get you started. Then, this book will describe about getting familiar with Identity and Access Management (IAM) along with Virtual private cloud (VPC). Next, this book will teach you about microservices, serverless architecture, security best practices, advanced deployment methods and more. Going ahead we will take you through AWS DynamoDB A NoSQL Database Service, Amazon Simple Queue Service (SQS) and CloudFormation Overview. Lastly, this book will help understand Elastic Beanstalk and will also walk you through AWS lambda. At the end of this book, we will cover enough topics, tips and tricks along with mock tests for you to be able to pass the AWS Certified Developer - Associate exam and develop as well as manage your applications on the AWS platform.
Table of Contents (30 chapters)
Free Chapter
1
Overview of AWS Certified Developer - Associate Certification

DynamoDB provisioned throughput

DynamoDB provides the Auto Scaling feature for automatically scaling the read and write capacity of a table; however, if you do not use it, you need to manually handle the throughput requirement of your table. DynamoDB measures the throughput capacity using read and write capacity units.

Read capacity units

DynamoDB processes the read operations based on the type of read consistency used. Using one read capacity unit, DynamoDB can process one strongly consistent read per second. In the same line, DynamoDB can process two eventual consistent reads per second using one read capacity unit. Using one read capacity unit, DynamoDB can process an item of up to 4 KB in size. If the item size is more...