Microsoft Azure AI Fundamentals Certification Companion: AI-900 Exam (2023)

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Certification Study Companion Series

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The Apress Certification Study Companion Series offers guidance andhands-on practice to support technical and business professionalswho are studying for an exam in the pursuit of an industry certification.Professionals worldwide seek to achieve certifications in order to advancein a career role, reinforce knowledge in a specific discipline, or to apply foror change jobs. This series focuses on the most widely taken certificationexams in a given field. It is designed to be user friendly, tracking to topicsas they appear in a given exam. Authors for this series are experts andinstructors who not only possess a deep understanding of the content, butalso have experience teaching the key concepts that support readers in thepractical application of the skills learned in their day-to-day roles.More information about this series athttps://link.springer.com/bookseries/17100

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Microsoft Azure AIFundamentalsCertificationCompanionGuide to Prepare forthe AI-900 ExamKrunal S. Trivedi

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Microsoft Azure AI Fundamentals Certification Companion: Guide toPrepare for the AI-900 ExamISBN-13 (pbk): 978-1-4842-9220-4ISBN-13 (electronic): 978-1-4842-9221-1https://doi.org/10.1007/978-1-4842-9221-1Copyright © 2023 by Krunal S. TrivediThis work is subject to copyright. All rights are reserved by the Publisher, whether the whole orpart of the material is concerned, specifically the rights of translation, reprinting, reuse ofillustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way,and transmission or information storage and retrieval, electronic adaptation, computer software,or by similar or dissimilar methodology now known or hereafter developed.Trademarked names, logos, and images may appear in this book. Rather than use a trademarksymbol with every occurrence of a trademarked name, logo, or image we use the names, logos,and images only in an editorial fashion and to the benefit of the trademark owner, with nointention of infringement of the trademark.The use in this publication of trade names, trademarks, service marks, and similar terms, even ifthey are not identified as such, is not to be taken as an expression of opinion as to whether or notthey are subject to proprietary rights.While the advice and information in this book are believed to be true and accurate at the date ofpublication, neither the authors nor the editors nor the publisher can accept any legalresponsibility for any errors or omissions that may be made. The publisher makes no warranty,express or implied, with respect to the material contained herein.Managing Director, Apress Media LLC: Welmoed SpahrAcquisitions Editor: Smriti SrivastavaDevelopment Editor: Laura BerendsonCoordinating Editor: Mark PowersCover designed by eStudioCalamarDistributed to the book trade worldwide by Apress Media, LLC, 1 New York Plaza, New York, NY10004, U.S.A. Phone 1-800-SPRINGER, fax (201) 348-4505, e-mail orders-ny@springer-sbm.com,or visit www.springeronline.com. Apress Media, LLC is a California LLC and the sole member(owner) is Springer Science + Business Media Finance Inc (SSBM Finance Inc). SSBM FinanceInc is aDelawarecorporation.For information on translations, please e-mail booktranslations@springernature.com; for reprint,paperback, or audio rights, please e-mail bookpermissions@springernature.com.Apress titles may be purchased in bulk for academic, corporate, or promotional use. eBookversions and licenses are also available for most titles. For more information, reference our Printand eBook Bulk Sales web page at http://www.apress.com/bulk-sales.Any source code or other supplementary material referenced by the author in this book isavailable to readers on GitHub (https://github.com/Apress). For more detailed information,please visit http://www.apress.com/source-code.Printed on acid-free paperKrunal S. TrivediAhmedabad, India

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To my mother Mrs. Nayna Sunil Trivedi.Thank you for teaching me how to hold a pen, mummy.

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viiTable of ContentsAbout the Author��xiiiAbout the Technical Reviewer��xvAcknowledgments��xviiIntroduction��xixChapter 1:Overview of AI-900 Exam Preparation��1Exam Overview��1Exam Prerequisites: Who Will Take This Examination?��2Taking the Exam��3First Thing First: Signing Up��3Practice Test��3Scheduling the Exam��4Choosing Your Time Block��4Exam Format��5Modules and Weightage in the Exam��5Module Description��6Summary��10

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viiiChapter 2:Fundamentals of Artificial Intelligence��11What Is Artificial Intelligence?��12Strong AI��12Weak AI��13Understanding Artificial Intelligence Workloads��13Machine Learning��14Anomaly Detection��15Computer Vision��15Natural Language Processing��16Knowledge Mining��17Principles of Responsible AI��18Fairness��18Reliability and Safety��19Transparency��19Accountability��20Understanding Artificial Intelligence in Microsoft Azure��20Data Storage��21Compute��21Services��23AI Services in Microsoft Azure��23Azure Machine Learning��25Azure Cognitive Services��25Azure Bot Service��26Azure Cognitive Search��27Introspective Practice��29Solutions to Practice Test��30References: Microsoft Learn��31Summary��31Table of ConTenTs

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ixChapter 3:Machine Learning Fundamental Concepts��33What Is Machine Learning?��33Core Machine Learning Concepts��34Dataset, Features, and Labels��34Types of Machine Learning��44Supervised Machine Learning��45Unsupervised Machine Learning��47The Two Important Elements: Model Training and Validation��48Introducing Azure Machine Learning��49Tools for Azure Machine Learning��51Azure Machine Learning Studio��51Azure Machine Learning Designer��52What Is Automated Machine Learning?��52Practical Labs��53Using Azure Machine Learning Designer to Build a Regression Model��53Introspective Practice��84Solutions to the Practice Test��86References: Microsoft Learn��86Summary��87Chapter 4:Computer Vision��89Getting Started with Azure Cognitive Services��90Benefits of Cognitive Services��90Azure Cognitive Services��91What Is Computer Vision��95Computer Vision Core Elements: Image Classification and Object Detection��95Image Classification��96Object Detection��96Table of ConTenTs

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xComputer Vision Application��96Semantic Segmentation��97Image Analysis��97Optical Character Recognition (OCR)��97Exploring Various Vision Services��97Computer Vision��97Categorizing an Image��98Custom Vision��100Face��100Form Recognizer��102Understanding of Optical Character Reader��103Practical Labs��104Computer Vision API – Text Extraction��104Introspective Practice Test��115Solutions for the Practice Test��116References: Microsoft Learn��117Summary��117Chapter 5:Fundamentals of Natural Language Processing��119Getting Started with Natural Language Processing��120What Is Natural Language Processing?��120Core NLP Responsibilities��125AI for Conversational Interactions��138Advantages of Conversational AI for Businesses��139Microsoft Azure for NLP��142Core Azure NLP Workloads: Language, Speech, and Translator��143Microsoft Azure Platform for Conversational AI��157Azure Bot Service��158Table of ConTenTs

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xiPractical Labs��160Creating a Custom Question-Answering Knowledge Base��161Editing Your Knowledge Base��170Training and Testing the Knowledge Base��171Creating an Informational Bot for the Knowledge Base��173Introspective Test��177Solutions to the Practice Test��179References: Microsoft Learn��179Summary��180Index��181Table of ConTenTs

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xiiiAbout the AuthorKrunalS.Trivediis a Microsoft CertifiedTrainer and has been a Microsoft AzureMVP for the past five years. He has providedtechnical training on a variety of Microsoft andnon-Microsoft technologies to IT corporationsall over the world for the past 14 years. He isan enthusiastic speaker, trainer, writer, andauthor. Krunal is actively involved in projectarchitecting, building solutions using modernedge technologies such as React, Angular,Docker, and Microsoft Azure, in additionto training. He has worked on numerous projects and products, fromrequirement gathering to project deployment using the Agile methodologyand DevOps pipeline.

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xvAbout the Technical ReviewerDonReameyis currently a PrincipalSoftware Engineering Manager at MicrosoftCorporation. Previously, he worked at ApptioSoftware as a Principal Software EngineerManager. Don also managed engineeringteams at TIBCO Software and Bank ofAmerica. He enjoys learning and creating newprogramming languages, creating web-basedapplications, playing guitar, and weightlifting.

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xviiAcknowledgmentsWriting a book is one of the most challenging tasks I've undertaken, and itgives me a great sense of accomplishment. Without the love and supportof many people, this would not be possible. To begin, I want to express mygratitude to my loved ones.The value of my loved ones' support to me is immeasurable. Mrs.Nayna Sunil Trivedi, my late mother, was an avid reader. As early as I canremember, mom instilled in me a love of reading, and later, while I waspursuing a profession as an information technology trainer, she shared someof her thoughts and shed some light on an idea I'd had to write a book.When writing this book, I was always encouraged by my family: wifeHina, son Aaditya, and father Mr. Sunil Trivedi.Nelson D'Souza and Prashant Pavshe, two of my closest friends andbosses, thank you for being the leaders in whom I have faith and who I trulyhonor and respect. I will always be grateful for the opportunity to representyou and SPAN LABS. I truly have no words to express my gratitude to you.I will forever be thankful to the universe for connecting me to you. Thankyou for always being there for me through every trial and triumph.The other side of the ocean is home to Peter De Tender, who haschanged the lives of many people through his work as an IT trainer,mentor, cloud consultant, Microsoft MVP, and current Microsoft employee.I will forever be thankful to the universe for connecting me to Peter. He hasbeen a huge source of inspiration for me during my time as an IT trainer.Besides being an inspiration, I can always count on him to be there forme, whether I have a question or need help with something technical. Heconnected me with Jill Balzano, Mark Powers, and Smriti Sachdeva, andthe journey began.

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xviiiIt is as difficult as it sounds to convert an idea into a book. Internally,the experience is both demanding and gratifying. I want to thank everyoneon the Apress and Springer Nature teams, especially Smriti Sachdeva,Shobhna Srinivasan, Laura Berendson, Mark Powers, and Don Reamey.What a fantastic book is emerging, thanks to your consistent care andinsightful suggestions.aCknowledgmenTs

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