Cs603 k mery paper m 1 . question tha k why refactoring is useful 2. 4+1 view address to which architecture 3. 2 Benefits of consistent navigation architecture ya pattern tha ab confirm ni h 4. 3 challenges of SOA 5. Allocation is used to mapping between system and non system structure system . Write four example of non system structure that depends. 6. Dispensable is a category of bad smell in code, identify the different types of dispensables in code from given options. 1. Comments 2. Move method 3. Extract method 4. Duplicate code 5. Lazy class 6. Abstract class Iska answer 1 ,4 and 5 thy Aur aik question tha C&C k structure any 2 Iska answer Client Server aur Pipe filter thy