Book Image

AWS Certified SysOps Administrator ??? Associate Guide

By : Marko Sluga
Book Image

AWS Certified SysOps Administrator ??? Associate Guide

By: Marko Sluga

Overview of this book

AWS certifications are becoming one of the must have certifications for any IT professional working on an AWS Cloud platform. This book will act as your one stop preparation guide to validate your technical expertise in deployment, management, and operations on the AWS platform. Along with exam specific content this book will also deep dive into real world scenarios and hands-on instructions. This book will revolve around concepts like teaching you to deploy, manage, and operate scalable, highly available, and fault tolerant systems on AWS. You will also learn to migrate an existing on-premises application to AWS. You get hands-on experience in selecting the appropriate AWS service based on compute, data, or security requirements. This book will also get you well versed with estimating AWS usage costs and identifying operational cost control mechanisms. By the end of this book, you will be all prepared to implement and manage resources efficiently on the AWS cloud along with confidently passing the AWS Certified SysOps Administrator – Associate exam.
Table of Contents (26 chapters)

Summary

To make the applications running on Amazon EC2 highly available, we need to create a cluster of instances, run them in several availability zones, and provide access to the instances via a load balancer. There are three load balancer types available in AWS: the Application Load Balancer, the Network Load Balancer, and the Classic Load Balancer. Each of the load balancer types can be used for a certain type of application, and all load balancer types are deployed as managed services that are highly available. We took a look at building a load balancer and showing that the traffic was really distributed to multiple servers, and we learned how to decommission it because we pay for the existence of the load balancer and need to remove it when not needed to avoid incurring costs. In the next chapter, we will look into Amazon S3 service and how it is used to overcome the limitations...