1821. Which of the following phases is unique to the commercial application package implementation strategy as opposed to the rapid application development strategy ?

A. problem analysis
B. construction and testing
C. scope definition
D. business process design
✅ The correct answer is option D.

1825. What allows different projects to use the same source files at the same time ?

A. Version Control
B. Access control
C. CM Process
D. Version Control and Access control
✅ The correct answer is option A.
Explanation: It allows software engineers to continue development along a branch even when a line of development is frozen.

1830. Which framework’s applications are difficult to deal with ?

A. MVC pattern
B. Web application frameworks
C. Debugging framework
D. None of the mentioned
✅ The correct answer is option C.
Explanation: Debugging framework based applications is difficult because you may not understand how the framework methods interact. This is a general problem with reusable software .