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 networking components

A VPC network consists of certain components. We will now look briefly at these components.

ENI

ENI stands for Elastic Network Interface and is a virtual network interface. It is a communication hub for an EC2 instance that enables network communication on an instance. An EC2 instance can have one or more network interfaces. When any EC2 instance is created inside a VPC, a network interface is also created by default and attached to it. The default network interface created while launching an instance is called a primary network interface of the instance. This primary network interface also gets one primary IPv4 address from the subnet's available IP range.

You cannot detach a primary network...