Book Image

AWS Certified Cloud Practitioner Study Guide: CLF-C01 Exam

By : Ben Piper, David Clinton
Book Image

AWS Certified Cloud Practitioner Study Guide: CLF-C01 Exam

By: Ben Piper, David Clinton

Overview of this book

AWS certifications validate the technical skills and knowledge required for building secure and reliable applications on the AWS cloud. The AWS Certified Cloud Practitioner certification is for individuals who have the knowledge and skills necessary to demonstrate an understanding of the AWS Cloud, independent of specific technical roles addressed by other AWS certifications. An AWS Certified Cloud Practitioner is a recommended path to achieving specialty certification or an optional start toward Associate certification. This guide provides a solid introduction and the resources you need to prove your knowledge in the exam. It covers all topics, beginning with what the AWS cloud and its basic global infrastructure and architectural principles. Other chapters dive into the technical, exploring core characteristics of deploying and operating in the AWS Cloud Platform, as well as basic security and compliance aspects and the shared security model. The text identifies sources of documentation or technical assistance, such as white papers or support tickets. The authors discuss the AWS Cloud value proposition and define billing, account management, and pricing models. This includes describing the key services AWS can provide and their common use cases such as compute, analytics, and so on. By the end of this book, you'll be thoroughly prepared for the foundational CLF-C01 exam.
Table of Contents (24 chapters)
Free Chapter
1
Cover
2
Acknowledgments
3
About the Authors
4
Table of Exercises
5
Introduction
6
Assessment Test
7
Answers to Assessment Test
20
Index
21
Advert
22
End User License Agreement

Virtual Private Cloud

The Amazon Virtual Private Cloud (VPC) service provides the network backbone for many AWS services. A virtual private cloud is a virtual network in the AWS cloud that’s logically isolated from other networks. The most well-known use of VPCs is connecting EC2 instances together and to other AWS services and networks, including the internet.

When you create an AWS account, Amazon automatically creates a default VPC in each region. The default VPC is configured to allow instances within the VPC to access the internet. This way you don’t have to create and configure your own VPC just to use EC2.

You can create your own nondefault VPCs. Nondefault VPCs are fully isolated from every other network and AWS resource, including other VPCs. This means you’ll have to configure them explicitly if you want them to have access to other networks and AWS resources outside of the VPC.

VPC CIDR Blocks

Each VPC requires a Classless Inter-Domain Routing (CIDR)...