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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Learning about DNS and global routing with Amazon Route53

AWS Route53 is Amazon's global DNS, which is a service to help translate human-readable names into an IP address because, ultimately, computers connect to each other over IP addresses. DNS servers across the internet host billions of such name-to-IP address records, among other types of records. When you use your favorite browser to visit a particular website, such as example.com, your browser sends a request to your local DNS service provider, which, if necessary, refers the query to that domain's (example.com) authoritative DNS server. This authoritative DNS server responds with the IP address of the website you are trying to access, and your browser is then able to establish a connection with the website (in this case, example.com). This process of translating domain names to IP addresses is called name resolution.

Amazon Route53 offers three primary functions: