How to preserve session in TempData for consecutive requests

Bundling and minification are two techniques you can use in ASP.NET 4.5 to:

As a best practice, all input validation should occur in which layer?

You are developing an ASP.NET MVC application that displays stock market information. The stock market information updates frequently and must be displayed in real-time. You need to eliminate unnecessary header data, minimize latency, and transmit data over a full-duplex connection. What should you do?

Which is true about ModelState?

Where is data validation done?