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

Virtual Private Clouds (VPCs)

A VPC is a virtual network in the cloud. You choose the Region in which to create your VPC and define its network parameters such as the IP address range and any subnetworks within it, for resource isolation.

Resources deployed in your VPC can then access services on the internet or can grant inbound access from the internet, for example, if you are hosting an e-commerce web server.

AWS already provides you with a default VPC in each Region. These default VPCs are designed to get you up and running with the ability to deploy EC2 instances so that they can access the internet and, where necessary, be configured to allow direct inbound access from the internet.

You can also configure custom VPCs to suit your business requirements. When configuring a new VPC, you need to define an IP address block from one of the private IP ranges. Your VPC spans the entire Region in which you deploy it. This means that you can place workloads in different Availability...