Part 1: W01-2 Software Quality Engineering

Question 1

What are the approaches to achieving quality factors?

Answer 1

1. Architecture by characteristics of Quality Factors.

2. Architecture by providing general beneficial properties for Quality Factors.

Question 2

In Reliability what is the difference between Single-Version and Multi-Version?

Answer 2

Multi-version using two or more versions executed separately, so if one version fails on input other should be okay.

Single-version is using a single version and needs to have fault detection, recovery, and correction.

Question 3

How do you achieve Maintainability?

Answer 3

• Encapsulate what will most likely change
• Low coupling
• Design to interface

Question 4

What factors are part of achieving Usability?

Answer 4

• Understandability
• Learnability
• Operability