Questions:

1. What are the two important elements of the Waterfall Model?   [Answer]
   
   
2. What are the seven products described by the Waterfall Model?   [Answer]
   
   
3. When is software testing performed in the Waterfall Model?   [Answer]
   
   
4. What is software verification?   [Answer]
   
   
5. What is software validation?   [Answer]
   
   
6. Explain the purpose of iteration in the Waterfall Model.   [Answer]
   
   
7. Which process is the only process that does not involve iteration?   [Answer]