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)

Introduction to Snowball

Although a Storage Gateway can be a great solution for delivering data from our on-premises data center into AWS, it is still dependent on the bandwidth of the internet connection. Sometimes, the datasets can be very large and for those datasets it can take a very long time, be very expensive, and be very inefficient to transfer across the internet.

For example, let's take a look how long it takes to transfer a certain large dataset across the internet. For example, let's consider a very common dataset of 50 TB of data. If we employ a dedicated 1 Gbps connection to transfer that dataset, it will take us about 125 hours to transfer all the data across that link to the target destination. This calculation is taken in ideal conditions and 100% link utilization. So, we can easily say that on a 1 Gbps uplink, which is a common corporate internet uplink...