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

VPC best practices

The following list summarizes VPC best practices:

  • Before starting to design and implement AWS VPC, it is essential to understand present and future needs. It is recommended that you plan your VPC architecture, considering the minimum requirement for the next two years. Once the infrastructure is created on a VPC, making any changes in the VPC requires redesigning and recreating infrastructure. Lateral changes in the design and infrastructure can be very time-consuming and expensive.
  • It is suggested that you use a CIDR range as per RFC 1918. Also, make sure that a sufficient number of IP addresses are available in each subnet to match with present and future needs. Ensure that the CIDR range in AWS does not conflict with the CIDR range used in any other data center or VPC where you may have to establish a VPN or Direct Connect connection.
  • Remember, AWS reserves...