D) None of the options. 6. When you model the context or environment of the system, this is: A) Interaction perspective. B) Structural perspective. C) External perspective. D) Behavioral perspective. 7. Which diagram is the best to show the interactions between a system and its environment? A) Activity diagrams. B) Use case diagrams. C) Sequence diagrams. D) Class diagrams. 8. Which one of the following is a software engineering challenge? A) Coping with increasing diversity. B) demands for reduced delivery times. C) developing trustworthy software. D) All options. 9. Which one of the following is correct about generic software product A) The specification of the software is owned by the developer. B) Decision on software changes is done by the customer. C) The specification of the software is owned by the customer. D) The specification of the software is owned by both the developer and customer. 10. Which one of the following is not among the Incremental development model: A) The cost of accommodating changing customer requirements is reduced. C) More rapid delivery and deployment on the development work that has been done. possible. D) System structure tends to degrade as new increments are added. 11. According to the following: 1. System design with reuse. 2. Development and integration. 3. Component analysis. 4. Requirements modification