Product line evolution will be driven by which of the following sources?
(a) New features may be added to product line to keep it responsive to user needs
(b) New versions of existing components will be released
(c) New externally created components may be added to the product line
(d) All of the mentioned
The question was posed to me in a job interview.
I would like to ask this question from Creating Products and Evolving a Product Line topic in section Unit Operations of Software Architecture