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

Product type Paperback

Published in Sep 2017

Publisher Packt

ISBN-13 9781787125629

Length 600 pages

Edition 1st Edition

Tools

AWS

Concepts

Cloud Computing

Authors (2):

Tankariya

Parmar

View More author details

Table of Contents (29) Chapters

Title Page

Credits

About the Author

Acknowledgments

About the Author

About the Reviewer

www.PacktPub.com

Customer Feedback

Dedication

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

Index

DHCP option sets

DHCP is a network protocol that dynamically assigns IP addresses to instances in a VPC from the respective subnet's CIDR block. It also passes configuration information such as domain name, Domain Name Server (DNS), NTP server, and so on. This configuration information is called a DHCP option set. A DHCP option set is essential for any newly created EC2 instance in a VPC. Every VPC has one DHCP option set. When creating a custom VPC, it automatically associates a default DHCP option set for the VPC. Once the DHCP option set is created, its parameters cannot be modified. You need to create new DHCP option set and associate it with the VPC. If you do not want to automatically assign configuration to a VPC, no DHCP option set can also be configured. As soon as the DHCP option set changes for any VPC, existing and new EC2 instances start using new DHCP option sets. Changing the DHCP option set does not require restarting EC2 instances. A DHCP option set allows configuring of...