Ch 01

Question 1

EO 1.1 reasons for RE

Answer 1

Typical reasons for inadequate RE are:

1. the wrong assumption of the stakeholders that much is self-evident and does not need to be stated explicitly
2. communication problems due to differences in experience and knowledge
3. the project pressure from the client to build a productive system rapidly.

Question 2

E 1.2 the four major activities of RE

Answer 2

The four main activities of RE are:

1. elicitation
2. documentation
3. validation/negotiation
4. management of requirements

Question 3

EO 1.3 the role of communication in RE

Answer 3

Natural language is the most important means to communicate requirements. At the same time it is particularly important to agree on a common terminology. Furthermore the communication medium (written or spoken) plays a big role. When communicating, all participants must deal consciously with focusing and simplification.

Question 4

EO 1.4 the skills of req engineer

Answer 4

skills:
- analytical thinking
- empathy
- conflict resolution skills
- moderation skills
- self-confidence
- ability to convince.

Question 5

E 1.5 the three kinds of requirements

Answer 5

three kinds of requirements:

1. functional requirements
2. quality requirements
3. constraints.

Question 6

EO 1.6 Knowing the role of quality requirements

Answer 6

The umbrella term “non-functional requirement” is often used for quality requirements and constraints. Quality requirements must be documented explicitly. In particular the following aspects need to be considered:

• Performance
• Security
• Reliability
• Usability
• Maintainability
• Portability