1.i think yes we can develop 3 different layers on separate server/machine by using partial class 2.by call class name we can use it

MVC .Net

use WCF service to access different layer

Respected sir,

Yesterday i went to interview i faced following 
Interview Questions that i not able to answered,could you able to help us...?

Interview Questions :
1. Can we develop 3 different layers(Presentation layer,Business Layer and Data Access Layer) on separate server / machine ? 

2. then How to import one of above layer into another layer of 3 tire architecture ? 
If yes,then How can we access it ?
for example if i develop DataAccessLayer on separate server then how can we use this layer into Presentation layer which is already developed on different server/machine ?

Thank you,
Pranay