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

WebSockets in AWS

Real-time applications are a real challenge, and this is because additional infrastructure and protocols must be met. WebSockets come to the rescue by providing bi-directional communication between the client and the server. In the old days, when the Classic Load Balancer was the only option the way to balance web sockets communication was to work in TCP mode, delegating the WebSocket duplex function to a service proxy such as NGINX to upgrade the connection or using some framework such as socket.io.

AWS IoT

AWS IoT is a service designed to connect objects to the IoT via the SDK; you can use the WebSockets via MQTT, a lightweight protocol designed for unreliable networks, and this way, you can push messages...