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

Restoring a DB from a snapshot

A snapshot can only be restored by creating a new instance. You cannot restore a snapshot to an existing instance. While restoring the snapshot to a new RDS instance, you can have a different storage volume type from the one used in the snapshot.

Creating an RDS DB instance from a snapshot automatically attaches a default parameter group and security group to it. Once a DB instance is created, it is possible to change the attached parameter group and security group for that instance. By restoring a snapshot, the same option group associated with the snapshot will get associated to the newly created RDS DB instance. Option groups are platform-specific—VPC or EC2-Classic.

Creating an RDS DB instance inside a particular VPC will link a used option group with that particular VPC. It means that when the snapshot is created for that DB instance...