Requirements Engineering

Question 1

What is Requirements Engineering

Answer 1

The process of establishing the services required of a system and the constraints of its development

Question 2

What is a Requirement

Answer 2

A statement that defines a need and the conditions with it

Question 3

Are Requirements detailed

Answer 3

They don’t have to be

Question 4

What are the 2 types of Requirements Documents

Answer 4

1. User Requirements - Described in plain English and/or abstract visual diagrams; useful as bids for contracts
2. System Requirements - Structured document covering all functions and constraints; can be the contract

Question 5

Who are the 5 types of readers for User Requirements

Answer 5

1. Client Managers
2. System End-Users
3. Client Engineers
4. Contractor Managers
5. System Architects

Question 6

Who are the 4 types of readers for System Requirements

Answer 6

1. System End-Users
2. Client Engineers
3. System Architects
4. Software Developers

Question 7

What are the types of System Stakeholders and who are they

Answer 7

Anybody affected by and/or has an interest in the system:
1. End Users
2. System Managers
3. System Owners
4. External Stakeholders

Question 8

What are the 2 types of Requirements

Answer 8

1. Functional Requirements - WHAT actions users can take and what the system should do; description of the service, expected behavior
2. Non-Functional Requirements - HOW to implement; constraints, processes, environments, tools, limits

Question 9

What 2 words should you avoid in Requirements

Answer 9

Will and Must

Question 10

What are the 4 characteristics of good Requirements

Answer 10

1. Complete
2. Consisten
3. Affordable
4. Bounded

Question 11

How do you produce a complete and consistent Requirements Document

Answer 11

You cannot - It is impossible due to complexity

Question 12

What are the 3 Non-Functional Classifications

Answer 12

1. Product Requirements
2. Organizational Requirements
3. External Requirements

Question 13

What are the 6 metrics for specifying non-functional requirements

Answer 13

1. Speed
2. Size
3. Ease of Use
4. Reliability
5. Robustness (health)
6. Portability

Question 14

What are the 4 Requirements Engineering activities

Answer 14

1. Elicitation / Discovery / Analysis
2. Specification
3. Validation
4. Management

Question 15

What are the 4 stages of Requirements Elicitation

Answer 15

1. Discovery
2. Classification and Organization
3. Prioritization and Negotiation (fix conflicts)
4. Specification (generate document)