Book Image

AWS Certified Cloud Practitioner Exam Guide

By : Rajesh Daswani
3 (1)
Book Image

AWS Certified Cloud Practitioner Exam Guide

3 (1)
By: Rajesh Daswani

Overview of this book

Amazon Web Services is the largest cloud computing service provider in the world. Its foundational certification, AWS Certified Cloud Practitioner (CLF-C01), is the first step to fast-tracking your career in cloud computing. This certification will add value even to those in non-IT roles, including professionals from sales, legal, and finance who may be working with cloud computing or AWS projects. If you are a seasoned IT professional, this certification will make it easier for you to prepare for more technical certifications to progress up the AWS ladder and improve your career prospects. The book is divided into four parts. The first part focuses on the fundamentals of cloud computing and the AWS global infrastructure. The second part examines key AWS technology services, including compute, network, storage, and database services. The third part covers AWS security, the shared responsibility model, and several security tools. In the final part, you'll study the fundamentals of cloud economics and AWS pricing models and billing practices. Complete with exercises that highlight best practices for designing solutions, detailed use cases for each of the AWS services, quizzes, and two complete practice tests, this CLF-C01 exam study guide will help you gain the knowledge and hands-on experience necessary to ace the AWS Certified Cloud Practitioner exam.
Table of Contents (23 chapters)
1
Section 1: Cloud Concepts
5
Section 2: AWS Technologies
16
Section 3: AWS Security
18
Section 4: Billing and Pricing
20
Chapter 16: Mock Tests

Designing multi-Region HA solutions

In Chapter 6, AWS Networking Services – VPCs, Route53, and CloudFront, we looked at Amazon Route 53, which offers DNS and traffic routing policies to help design highly available and resilient architectures incorporating configurations that increase performance and security best practices. We also looked at how Amazon CloudFront can help cache content locally closer to end users, which reduces latency and improves overall performance.

While Amazon Auto Scaling and ELB services help you offer HA and scalable services within a given Region on their own, there is no provision for global availability of services. If you were to host your application in a single Region alone and if that Region were to fail, your end users would not be able to access your applications until the Region came back online and resources made available.

Services such as Route 53 and CloudFront, however, enable you to extend your application's availability...