You're reading from AWS Certified Cloud Practitioner Exam Guide Build your cloud computing knowledge and build your skills as an AWS Certified Cloud Practitioner (CLF-C01)

Product type Paperback

Published in Jan 2022

Publisher Packt

ISBN-13 9781801075930

Length 630 pages

Edition 1st Edition

Tools

AWS

Concepts

Cloud Computing

Author (1):

Rajesh Daswani

View More author details

Table of Contents (23) Chapters

Preface

1. Section 1: Cloud Concepts

2. Chapter 1: What Is Cloud Computing? FREE CHAPTER

3. Chapter 2: Introduction to AWS and the Global Infrastructure

4. Chapter 3: Exploring AWS Accounts, Multi-Account Strategy, and AWS Organizations

5. Section 2: AWS Technologies

6. Chapter 4: Identity and Access Management

7. Chapter 5: Amazon Simple Storage Service (S3)

8. Chapter 6: AWS Networking Services – VPCs, Route53, and CloudFront

9. Chapter 7: AWS Compute Services

10. Chapter 8: AWS Database Services

11. Chapter 9: High Availability and Elasticity on AWS

12. Chapter 10: Application Integration Services

13. Chapter 11: Analytics on AWS

14. Chapter 12: Automation and Deployment on AWS

15. Chapter 13: Management and Governance on AWS

16. Section 3: AWS Security

17. Chapter 14: Implementing Security in AWS

18. Section 4: Billing and Pricing

19. Chapter 15: Billing and Pricing

20. Chapter 16: Mock Tests

21. Answers

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Chapter 9: High Availability and Elasticity on AWS

Most applications follow a design pattern that comprises several layers—such as the network layer, the compute layer, and the storage and database layers. We call this a multi-tier application. So, for example, you can have a three-tier application stack comprising a web services layer that offers frontend web interface access, an application layer where perhaps all data processing happens, and a backend database layer to store and manage data.

In this chapter, we start to bring together the various core Amazon Web Services (AWS) services we have learned about so far to design and architect a complete end-to-end (E2E) solution. Furthermore, in previous chapters, we have only deployed single resource instances of various AWS services—for example, a single Elastic Compute Cloud (EC2) instance to offer compute capability, or as in the previous chapter, where we deployed a single Amazon Relational Database Service (RDS...