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

Elastic Load Balancing

Elastic Load Balancing provides applications with a reverse proxy service that hides and encapsulates direct access to EC2 instances. Load balancers are a great way to decouple applications by introducing indirection levels with managed services that provide capabilities like multi-AZ request distribution, security, and SSL offloading from EC2 fleets.

The Elastic Load Balancer is a fully managed service designed to scale horizontally with high availability. Applications can rely on load balancers to receive proxied traffic through TCP, HTTP/HTTPS, and SSL protocols.

Working with the service consists of provisioning an ELB, configuring its attributes, and registering targets. The ELB performs frequent health checks to validate the availability of the targets to handle traffic. When instances pass HTTP health checks successfully the ELB performs a weighted...