Question

Functional requirements address maintainability, portability, and usability issues

Answer 1

Answer:

Informally these are sometimes called the "ilities", from attributes like stability and portability. Qualities—that is non-functional requirements—can be divided into two main categories: Execution qualities, such as safety, security and usability, which are observable during operation (at run time).

Explanation:

The list of examples of functional requirements includes:

• Business Rules.
• Transaction corrections, adjustments, and cancellations.
• Administrative functions.
• Authentication.
• Authorization levels.
• Audit Tracking.
• External Interfaces.
• Certification Requirements.

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