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)

Overview of Amazon S3 and Glacier

The Amazon S3 is a fully managed, highly available, autoscaled object/blob storage service that offers unlimited storage and 99.999999999% durability of data within a 24/7/365 regimen. This means that for every 10 million objects stored, you can expect to lose one object every 10,000 years.

The S3 service is addressable via standard HTTP PUT, GET, and DELETE calls, and has the built-in ability to deliver files and content via standard web services to users. This means the service offers the ability to serve static websites directly from the S3 environment in a serverless fashion by simply hosting an index file in the storage location of the content. All S3 content is stored in buckets, which serve as logical containers for files and need to be unique across all of AWS.

Since the service hosts only static content that needs to be retrieved by the...