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

An overview of billing and pricing on AWS

AWS charges you based on three core components, which are the amount of computing, storage, and outbound data transfers you perform. There are some deviations to this, but these are the primary cost drivers. With compute, this could represent the number of hours that your On-Demand Instance is in the running state or the number of Lambda executions you perform. With storage, you are charged per GB. In both cases, you are charged for any data transferred out of the Region or AWS. The data transfer out rate is dependent on the service and the Region from which the data originates.

A couple of key points to note here are as follows:

  • For data transfer within a Region:
    • If an internet gateway is used to send data to an AWS public service (Amazon S3, DynamoDB, and so on) in the same Region, then there are no data transfer charges.
    • If a NAT gateway is used to access those public services in the same Region, then there is a data processing...