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)

Chapter 13 – Amazon DynamoDB – a NoSQL Database Service

  1. False: DynamoDB is addressable via standard HTTP.
  2. ACID is fully consistent, while BASE defines eventual consistency.
  3. A NoSQL database would be perfect for sessions it doesn't matter what the application does it can use SQL on the BI part, but for sessions of NoSQL.
  4. C PUT, R GET, U UPDATE, D DELETE.
  5. Tables contain items and items are composed of attributes.
  6. 400 KB.
  7. Provisioned throughput and on-demand.
  8. By dividing 50 MB by 1.5 KB, we get approximately 34.200 items being sent every second to the table but each item consumes 2 WCUs, meaning we'll need to provision approximately 68.400 WCUs for the table. We're being throttled by the soft limit of 40.000 WCUs per table in the us-west-2 region. We would need to contact AWS to raise the...