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

Chapter 15: Billing and Pricing

Many companies looking to move to the cloud have heard of the cost benefits associated with shifting from a CAPEX model of investment in IT to an OPEX model. CAPEX refers to capital expenditure for the procurement of long-term assets such as infrastructure equipment, vehicles, and buildings. A company that purchases such assets will own those assets, but this tends to tie up capital that could otherwise have been spent on other resources that directly benefit the business. Consider a company having access to spare capital to invest in research and development of their products and services, as opposed to simply purchasing IT infrastructure equipment.

OPEX refers to operating expenditure and is an ongoing cost for running a product, business, or system. In the context of cloud computing, OPEX is the ongoing cost of leasing resources from the cloud provider, such as running a fleet of web servers, where the business is charged on a pay-as-you-go model...