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)

Content delivery methods

As well as serving your static content, CloudFront supports the delivery of dynamic content to the users by giving us the ability to configure the session HTTP/HTTPS termination at the CloudFront location. This feature allows us to secure and accelerate any application running either WebSockets or API calls. CloudFront can proxy the following HTTP methods to the origin servers or to the API Gateway:

  • GET: A read operation against a HTTP server. Used for caching static content. GET retrieves a document.
  • HEAD: Like GET it also reads, but HEAD retrieves just the header of the document without retrieving the body.
  • POST: A write operation against a HTTP server that is commonly used to send textual information. CloudFront can proxy the POST request and deliver the content to the target more quickly through the AWS backbone.
  • PUT: Like POST it also writes, but...