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

Introducing EBS

EBS is an AWS block storage service that provides block-level, persistent storage volumes for EC2 instances. EBS volumes are a highly available and reliable storage solution. An EBS volume can be attached only to the EC2 instances running in the same AZ. It provides persistent storage and is independent from the EC2 instance. This means that the data on the EBS volume remains intact even if the instance is restarted. AWS charges for the allocated EBS volume sizes, even if the volume is not attached to any instance.

Also, charges are based on the allocated volume size and not based on how much data is stored on the volume. EBS volumes can be formatted into the desired block size and filesystem. This is very suitable for read and write, such as database applications, or for the throughput of intensive workloads, such as big data. Once EBS volumes are attached to...