Answer the following multiple choice questions

1. Select an item that does not describe the Waterfall Model correctly.

(a) A working system becomes available late in the software development lifecycle.

(b) Software requirements are tested late in the software development lifecycle.

(c) Each phase of the Waterfall Model starts without finishing the previous phase.

(d) The Waterfall Model is only appropriate when the requirements are well understood.

2. The following describes incremental development (Agile). Select an item that is not related to incremental development.

(a) Customer cannot evaluate the system at a relatively early stage in the development

(b) The cost of accommodating changing customer requirements is reduced.

(c) System structure can be degraded as new increments are added

(d) The most important system services (highest priority increments) receive the most testing.

3. What is the goal of software validation?

(a) Building the system

(b) Building the right system

(c) Building the system right

(d) Testing the system

4. With polymorphism, an object can:

(a) Invoke operation of different names on the same objects.

(b) Invoke operations of different names on different objects.

(c) Invoke an operation of the same name on the same object.

(d) Invoke an operation of the same name on different objects.

5. What is information hiding in software design?

(a) Hiding information so that it cannot be found

(b) Hiding a design decision that is considered likely to change

(c) Hiding information to make it secure

(d) Encapsulating data in a class