Flexibility

• A. The software and hardware system architectures that provide explicit support for tolerance, which includes software redundancy and fault- tolerance controller that detects problems and supports fault recovery
• B. It is an initial step for requirements engineering process, includes the outline description of system, its use in an organization and recommending the system feasibility.
• C. Trustworthiness with which a system or component can be modified for use in applications or environments other than those for which it was specifically designed.
• D. None of these