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

Pilot light

Pilot Light uses the analogy of a gas heater, in which the standby system is always on, ready to ignite the complete system when the failure occurs. Primary data must be frequently replicated to the cloud. The premises database layer needs to be in sync with a standby replica in the RDS.

The following diagram shows the overall solution for a backup and restore strategy:

The preparation phase

Database synchronization must be configured from the source (production) to the pilot light environment (warm standby). To achieve this, you can use the vendor standard replication scheme to replicate the data layer transactions asynchronously. The Database Migration Service can also be used, leveraging the high throughput...