Questions with Answers on Systems design

Explain the Building and testing databases and files.
What are the methods of Building and testing network infrastructure?
What are the Writing and testing programs in systems design?
What is the process of Installing and testing purchased software?
Explain the Systems implementation. Testing and Conversion planning.
Explain the User training and Module Systems maintenance.
What is Systems enhancement?
Explain the Re engineering and  Reverse engineering.
What are the steps in System failure recovery?