11. What is the major advantage of the Incremental Model? a. The cost of changing requirements is reduced. b. It doesn’t’ involve constant interaction with the customer. c. It has slower delivery resulting in better agreement with the original requirements. d. The amount of analysis is increased compared to the waterfall model. e. None of these choices. 12. Which of the following is a combination of the Iterative model and the Waterfall model? a. waterfall model. b. spiral model. c. V-model. d. Agile. e. none of these choices. 13. Identify a disadvantage of the Spiral model: a. High amount of risk analysis. b. doesn’t work well for smaller projects. c. strong approval and documentation control. d. additional functionality can be added at a later date. e. none of these choices. 14. Identify the correct statement: a. One of the main challenges Software Engineering facing today is the requirement of most software systems to work with a multitude of homogenous systems. b. ‘Legacy systems’ are custom developed software systems for the legal domain. c. Software does not wear-out in the traditional sense of the term, but software does tend to deteriorate as it evolves. d. Since software is essentially ‘intangible’ it is relatively easy to manage software projects. e. With the advent of component based software assembly, we find that only less than 20% of today’s software is still custom built. 15. Identify an advantage of the V-model: a. It is very sophisticated and rigid. b. There is a great deal of analysis done before implementation takes place. c. It is amenable to early prototyping. d. Woks well on big projects. e. none of these choices.