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

IT automation with Lambda

In Chapter 7, AWS Compute Services, we learned that AWS Lambda is a serverless compute service that allows you to run code without having to provision or manage servers in the cloud. With AWS Lambda, you simply upload your code and have it executed based on a specific trigger. AWS Lambda will provision all the underlying infrastructure needed to run your code, be it compute power, memory, or temporary storage.

Your code can be automatically triggered from various AWS services and SaaS applications or even be called directly from any web or mobile application. You could use AWS Lambda in conjunction with other serverless offerings such as API Gateway, DynamoDB, and the Amazon S3 static website hosting service to build the ultimate serverless application for your business or clients.

In addition to this, Lambda can also be used to help automate a vast array of day-to-day administrative tasks. This can include any repetitive tasks that are triggered by...