Wiki is the correct answer
        
                    
             
        
        
        
Answer:
AspNet.ScriptManager.jQuery?
Explanation:
Unobtrusive validation means we can perform a simple client-side validation without writing a lot of validation code by adding suitable attributes and also by including the suitable script files. 
One of the benefits of using a unobtrusive validation is that it help to reduce the amount of the Java script that is generated. We can install the AspNet.ScriptManager.jQuery? for the unobtrusive validation. 
When the unobtrusive validation is used, validation of the client is being performed by using a JavaScript library. 
 
        
             
        
        
        
Answer:
I am pretty sure. In my view answer is 4.0
 
        
                    
             
        
        
        
Answer and Explanation:
I believe its A. Modularity enables multiple programmers to work on a program at the same time..
Let me know if I'm wrong..
 
        
             
        
        
        
The answer & explanation for this question is given in the attachment below.