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)

Security

Security is possibly the most discussed topic as far as the cloud is concerned. Whether it is about securing your services on the network, making sure your applications are secure, encrypting your data or securing your users—when it comes to cloud, it always seems to be discussed with caution. We have learned that we are able to secure our cloud-based applications to the same or higher level as our on-premise systems. When being tested on your knowledge of security in AWS, you should remember these key points:

  • Always apply permissions with the least privilege approach by only giving the permissions that are necessary to perform a task.
  • Prefer applying IAM policies to groups rather than individual users.
  • Use roles when automating access to AWS on your EC2 instances, Lambda functions, and so on.
  • Remember that access can be granted to other accounts with cross-account...