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

In this chapter, we have discussed the VPC networking concepts that are available in Amazon Web Services. We looked at the way networking is defined with CIDRs for the VPC network and the subnets contained within the VPC. We have also learned how to provide connectivity to the subnets via the internet gateway and on-premises connectivity options, and defined the difference between a public and private subnet. We also learned how to connect our VPC to other VPCs and services running in AWS by using endpoints and private links. Security is a very important component of networking and in this chapter we have learned how to use network access control lists and security groups to provide comprehensive security to instances running inside our VPC. The Building a custom VPC section outlined the steps that are needed to create a VPC. This ensures that you have a compliant networking...