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AWS Certified Developer ??? Associate Guide

You're reading from   AWS Certified Developer ??? Associate Guide Your one-stop solution to passing the AWS developer's certification

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Product type Paperback
Published in Sep 2017
Publisher Packt
ISBN-13 9781787125629
Length 600 pages
Edition 1st Edition
Tools
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Authors (2):
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Bhavin Parmar Bhavin Parmar
Author Profile Icon Bhavin Parmar
Bhavin Parmar
Vipul Tankariya Vipul Tankariya
Author Profile Icon Vipul Tankariya
Vipul Tankariya
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Table of Contents (19) Chapters Close

Preface 1. AWS Certified Developer – Associate Certification FREE CHAPTER 2. Introduction to Cloud Computing and AWS 3. Identity and Access Management 4. Virtual Private Clouds 5. Getting Started with Elastic Compute Cloud 6. Handling Application Traffic with Elastic Load Balancing 7. Monitoring with CloudWatch 8. Simple Storage Service, Glacier, and CloudFront 9. Other AWS Storage Options 10. AWS Relational Database Services 11. AWS DynamoDB - A NoSQL Database Service 12. Amazon Simple Queue Service 13. Simple Notification Service 14. Simple Workflow Service 15. AWS CloudFormation 16. Elastic Beanstalk 17. Overview of AWS Lambda 18. Mock Tests

What are SaaS, PaaS, and IaaS?


Cloud computing is a broad term and covers many services. Common cloud computing models are Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS).

Let's broadly understand these models:

  • IaaS: When a service provider offers virtualized hardware or computing infrastructure as a service, such an offering is called IaaS.
  • PaaS: PaaS is a type of cloud service in which a service provider offers application platforms and tools over the cloud, usually to enable application development. In this service model, underlying hardware and software are hosted on the service provider's infrastructure.
  • SaaS: In the SaaS model, the service provider offers software or applications as services. Such services are hosted by the providers and the end customer simply consumes this SaaS without worrying about the underlying hosting platform, infrastructure, and maintenance.

The line of responsibilities in IaaS, PaaS, and SaaS is explained in the...

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