Business Analysis: Functional Non-Functional Requirements
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Business Analysis: Functional Non-Functional Requirements

Simple Requirements Decomposition / Drill-Down Techniques for Defining Product Behaviors and Qualities
Bestseller
4.2 (174 ratings)
Course Ratings are calculated from individual students’ ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and accurately.
1,530 students enrolled
Last updated 9/2019
English
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Current price: $44.99 Original price: $69.99 Discount: 36% off
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This course includes
  • 1 hour on-demand video
  • 1 article
  • 1 downloadable resource
  • Full lifetime access
  • Access on mobile and TV
  • Assignments
  • Certificate of Completion
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What you'll learn
  • Decompose well-structured requirement statements to identify Functional and Non-Functional Requirements
  • Give those responsible for designing, building, and/or buying the solution the kind of information they need to make the decisions that are right for the business
  • Identify Informational, Performance, and Constraining Requirements from a list of Functional Requirements
  • Document and manage Business, Stakeholder, Functional and Non-Functional Requirements
  • Capture and clarify Business Rules and External Constraints that mandate limits to the delivered solution
  • Develop measurable Solution Requirements that facilitate End-User Acceptance Testing
Requirements
  • No technical background required
  • Desire to define non-functional requirements for IT
  • Interest in the field of business analysis
  • HTML5 compatible browser for exercises (quizzes)
  • No additional materials are required
Description

Functional and Non-functional Requirements Can Make or Break Your Project

Business and Stakeholder Requirements define the business need in business terminology that all involved parties can understand, but the devil lies in the detail. Solution Providers (i.e., those responsible for building, buying, assembling, or configuring an IT application) need to know what the application must do, what data it will deal with, and what qualities it must possess to meet the business needs. In other words, they need Functional and Non-functional (aka Solution) Requirements at a level of detail that most subject matter experts can only provide when prompted and led.  

In this course, you will learn simple and repeatable techniques for extracting solution-level specifications from business and stakeholder requirements that are expressed in complete sentence form. Applying the presented techniques will help you identify specific functions the solution needs. You will also discover hidden non-functional needs (e.g., performance, usability, reliability, etc.) related to the functions.  

My co-author, Angela, and I have used these techniques on hundreds of IT projects around the globe and we know the value each provides. Using these approaches will improve your ability to identify and document requirements at the level of detail that solution providers (vendors or developers) need to deliver the right technology for their organization.  

The presented techniques will work on any set of well-expressed requirement statements. However, they were specifically designed for and work best with requirement statements that follow the “Rules for Writing Effective Requirements” that we present in our course “Writing Requirements for IT – Simply Put!”.  

Regardless of your job title or role, if you are involved in defining future business solutions, this book will help you communicate your business needs to solution providers. It will reduce the potential for misunderstandings that undermine IT’s ability to deliver the right technology for the business.  

How to get the most out of this book?  

To maximize the learning effect, you will have optional, online exercises to assess your understanding of each presented technique. Chapter titles prefaced with the phrase “Exercise” contain a link to online exercises with immediate feedback featuring our recommended resolution and the rationale behind it.

These exercises are optional and they do not “test” your knowledge in the conventional sense. Their purpose is to demonstrate the use of the technique more real-life than our explanations can supply. You need Internet access to perform the exercises. We hope you enjoy them and that they make it easier for you to apply the techniques in real life.

 

Who this course is for:
  • Subject Matter Experts
  • Product Owners
  • Business Process Managers
  • Business Process Users
  • Product and Project Managers
  • Line Managers
  • Business System Analysts
  • Anyone wearing the BA hat!
Course content
Expand all 13 lectures 55:39
+ Setting the Stage
2 lectures 08:46

There are two fundamentally different types of solution-level requirements that developers need to deliver the application the business needs: Functional and Non-Functional. Understanding the difference is a critical skill for the one wearing the business analysis hat. This chapter covers:

  • Introduction
  • Functional and Non-Functional Requirements
  • Learning Objectives
Preview 03:00

This lesson describes the purpose and use of solution-level requirements. It covers:

  • Solution Providers Need Details
  • Who Defines Solution Requirements When?
Preview 05:46
+ Discovering Functional and Informational Requirements
5 lectures 19:34

This lecture Describes how to identify and extract functional requirements from business and stakeholder requirements expressed in complete sentences. It answers the questions:

  • What Are Functional Requirements?
  • Where Do You Find Functional Requirements?


Are you working in an Agile Environment? Watch the video below (Non-Functional Requirements Add Value to User Stories).

Preview 04:16
This assignment will give you an opportunity to test your ability to find functions based on complete sentence requirements.
Decomposing Requirements to Functions
2 questions

This lecture describes how to express and document functional requirements.

Documenting Functions
01:52

This lecture describes how to identify and extract informational requirements based on a list of functional requirements. It answers the questions:

  • What Are Informational Requirements?
  • What Is the Relationship between Functional and Informational Requirements?
  • How Do You Find Informational Requirements?
Capturing Informational Requirements
04:27
Test your ability to find Informational Components based on a list of functions.
Discovering Informational Components
2 questions

This lecture presents commonly needed informational requirement attributes that the one wearing the Business Analysis hat is often responsible for capturing. It includes the topics:

  • Documenting Informational Components
  • Usability Requirements Define User Views
  • Defining Data Elements
  • Algorithms for Derivable Data
  • Data Element Accuracy
Attributes of Informational Requirements
08:26

Test your understanding of accuracy requirements based on two common financial applications, accounting and cash forecasting. You do not need any knowledge of either type of application for this quiz.

Assessing Precision and Currency
2 questions

Summary: Volumes, Precision, Accuracy, Formula, and Source

Summary of Functional Requirements
00:33
+ Capturing Non-Functional Solution Requirements
3 lectures 17:23

This lecture initiates a presentation and discussion about non-functional requirements for Information Technology solutions. It answers the questions:

  • What Are Performance Requirements?
  • What Types of Performance Requirements Are Common?
Performance Requirements
08:52

Test your understanding of accuracy requirements. The requirements are from the accounting and cash forecasting system that we used in an earlier quiz. Again, you do not need any knowledge of either type of application for this quiz.

We will provide you with 5 requirements. Select the non-functional category for this requirement.

Measurable Qualities
5 questions

This lecture describes the Frequency and Urgency categories of Non-Functional Requirements and presents a technique for flushing these types of requirements out.

Common Performance Measures
04:16
Test your ability to identify functions needed to support Performance Requirements.
Discovering Performance-based Functions
4 questions

Constraints express absolute limits that any solution has to meet or it will fail. In this section, we define, contrast, and present examples of both internal and external constraints. Internal constraints are often expressed in the form of business policies or business rules whereas external constraints are imposed by the physical or regulatory environment.

Business Rules and External Factors
04:15
+ In Closing
3 lectures 09:56

This lecture defines requirements management and provides a simple to implement concept for small projects.

Please download your job aid “A Simple Requirements Management Template”.

Requirements Management Ideas
03:06

This lecture provides a recap of the rules for writing effective business and stakeholder requirements and the process for identifying each category.

Process and Rule Review
02:28
Test your understanding of the functional, informational, performance, and constraining requirement components that we covered in this course.
Final Assignment - Bringing It All Together
7 questions
Bonus Lecture: Special Offers
04:22