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

Implementing Shared File Storage with Amazon EFS

In our earlier discussion, we looked at Amazon EBS. These block storage volumes are directly attached to a specific EC2 instance and act as virtual hard drives for your EC2 instance. In general, an EBS volume can only be attached to one specific EC2 instance at a given time. This means that if you deploy 20 EC2 instances, each one of the instances will have one or more EBS volumes attached. This is perfectly fine if the data between those volumes does not need to be shared across those EC2 instances.

There are multiple use cases for sharing data across EC2 instances. These include file shares or data that needs to be shared across multiple applications and web servers. In those cases, using EBS volumes would create a messy architecture of having to somehow replicate data between those individual EBS volumes.

Amazon offers the EFS solution, which allows you to create and mount file shares across multiple EC2 instances. These instances...