7. (25 points) There are several approaches to Agile programming, XP and Scrum are among them. Please answer the following questions on Agile programming. a. (2 points) For what types of systems should agile approaches to development be used? For Software systels X b. (3 points) List one problem with Agile programming Agile Programming is always Subject to X Change. c. (5 points) What are a Scrum Sprint and a Backlog? (a) (b) In 2001, Beck, Beedle et al. proposed a "Manifesto for Agile Software Development" which has subsequently led to many examples of agile software development approaches including Extreme Programming (Beck, 2004), Scrum (Schwaber and Beadle, 2008) and Crystal (Cockburn, 2008) among others. The adoption of a range of agile software development approaches over the past decade has been widespread. Draw upon the sources you have studied on this module to appraise the strengths and weakenesses of agile practices. However, evidence has also emerged to suggest that agile approaches may not always be universally effective in the face of increasing scale and complexity in development. Critically appraise the usefulness of agile practices and approaches in the development of large-scale enterprise software systems.