You are developing an ASP.NET MVC application. The application is deployed in a web farm and is accessed
by many users. The application must handle web server failures gracefully. The servers in the farm must share
the state information. You need to persist the application state during the session. What should you
implement?
A.
A state server
B.
Cookieless sessions
C.
A web garden on the web servers
D.
An InProc session
state server,
among the choices, it is the only option that allows sharing of state information across all the web farms
https://msdn.microsoft.com/en-us/library/ms178586.aspx