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

Introduction to storage options on AWS

A storage service provides the necessary infrastructure to enable you to store and access data. However, different use cases require varied storage architectures to ensure performance, reliability, durability, and the right type of access to the data. There are three primary storage options available, and AWS offers services to cater to each of these.

Block storage

Block storage is an architectural design that enables the storage of data onto media such as a hard disk, in fixed-sized chunks. Data is broken up into small blocks and placed on the media in these chunks, with a unique address assigned that forms part of its metadata. Block storage makes use of a management software (which can be part of the operating system) to organize the blocks of data. When a user tries to retrieve a file, the management software identifies the blocks to retrieve, reassembles the data, and presents the whole file to the user.

On AWS, block storage options...