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

Understanding notification services such as Amazon SNS

Amazon SNS is a push-based messaging and notification system that can be used to allow one application component to send messages to other application components or directly to end users.

Amazon SNS uses a publisher/subscriber model where one application component will act as a publisher of messages and the other application components will consume those messages as subscribers. Amazon SNS allows you to design high throughput, many-to-many messaging between distributed systems, microservices, and event-driven applications.

Let's look at an example. Suppose you want to be notified if any of your IAM users upload an object to a particular Amazon S3 bucket that they have access to. To achieve this, you can configure S3 event notifications to send out an alert whenever the s3:ObjectCreated:* action occurs. This notification can be sent to an SNS topic (discussed later), which you subscribe to using your email address....