Book Image

AWS Certified Solutions Architect ??? Associate Guide

By : Gabriel Ramirez, Stuart Scott
Book Image

AWS Certified Solutions Architect ??? Associate Guide

By: Gabriel Ramirez, Stuart Scott

Overview of this book

Amazon Web Services (AWS) is currently the leader in the public cloud market. With an increasing global interest in leveraging cloud infrastructure, the AWS Cloud from Amazon offers a cutting-edge platform for architecting, building, and deploying web-scale cloud applications. As more the rate of cloud platform adoption increases, so does the need for cloud certification. The AWS Certified Solution Architect – Associate Guide is your one-stop solution to gaining certification. Once you have grasped what AWS and its prerequisites are, you will get insights into different types of AWS services such as Amazon S3, EC2, VPC, SNS, and more to get you prepared with core Amazon services. You will then move on to understanding how to design and deploy highly scalable applications. Finally, you will study security concepts along with the AWS best practices and mock papers to test your knowledge. By the end of this book, you will not only be fully prepared to pass the AWS Certified Solutions Architect – Associate exam but also capable of building secure and reliable applications.
Table of Contents (26 chapters)
22
Mock Test 1
23
Mock Test 2

Integrating Application Services

Information systems are not reliable by nature, since any component can fail; however, it is possible to improve a system's reliability and availability by distributing them among redundant components, and these components can represent individual service layers, each one with a higher level of cohesion.

Imagine the following scenario: I wish to deliver a letter and receive a confirmation when the letter has arrived. I only know the sender address and the post office that the letter must be picked up from:

This letter represents the content of the message I want to deliver, but in the process, some problems may arise. If I deliver the letter personally, I may run the risk of not finding the recipient in time, so I will need to return again, and if the delivery must be done across many areas of the world, additional considerations such as...