Accenture questions

chnical Round

1.what is Garbage collection?
2.what is delegate and type and explain?
3.Did you implemented delegate in project?
4.what is sealed class?
5.what is void?
6.can void function have return value?
7.can I use "return" variable inside the void methods? ( ans :we can use"return" key words only not with any datatype "return string_name")
8.Did even have return type?
9.what is yield?


1.what is state management?
2.what is session?
3.which one session manage type is better?
4.what is cache and type?
5.in your project page cache is use? and fragment cache is use? what cache you are using in your application any why ?
6.Data cache?
7.write piece of code for Data cache?
8.Did session use cookies and why? if cookies was disable in browser what happen?

1.why we are going for WCF major reason?
2.why we are going for TCP binding?
3.Different between basic binding and ws*binding?
4.what are instance modes available?
5.what is throttling in WCF?
6.I am using Java project,we need to communication with that project?which binding is better.(Tell your answer clearly they shoot the questions from that.. :) 
7.can able to control the browser request in WCF?
8.what are contract available? 
9.can overloading method in WCF?
10.what is service contract? can you explain some other feature of that?

1.what is WPF?
2.What is XAML?
3.can you tell me what is button control even in WPF?
4.why we are going for WPF?
5.what is command?

1. can you write query for get Top 7th row?
2.can you write query for 2nd max salary?
3.can writ the query for delete duplicate rows in the table base on the use name?
4.what is CTE?
5.What is cursors,any other option for that?