ASP.NET MVC alleviates the pain in attaining the role based security just by a simple yet powerful attribute known as Authorize. http://www.webdevelopmenthelp.net/2015/04/asp-net-mvc-authorize-attribute.html
Best reference for Exam:70-486 including eBooks, tutorials, Free Online Tests and a Complete Online Practice Exam. http://www.webdevelopmenthelp.net/2014/11/exam-70-486-developing-asp-net-mvc-web-applicati...
A controller basically facilitates to achieve loose coupling between model and View which is highly desirable for Object Oriented Systems. http://www.webdevelopmenthelp.net/2014/11/controllers-and-action-methods-asp-net-mvc.html
A Proxy in Windows Communication Foundation is a class that enables client applications to communicate with a service by sending and receiving message http://www.topwcftutorials.net/2014/06/3-ways-generate-proxy-wcf-service.html
In my previous post on SharePoint Interview Questions for Dummies we talked about New features of SharePoint 2013 at high level for all type of users http://www.sharepointfordummies.net/2014/08/whats-new-sharepoint-2013.html
A comprehensive list of SharePoint Interview Questions and answers for beginner as well as professionals including End Users, Admins and developers. http://www.sharepointfordummies.net/2014/08/sharepoint-interview-questions.html
TempData stays for a subsequent HTTP Request as opposed to other options (ViewBag and ViewData) those stay only for current request. http://www.webdevelopmenthelp.net/2014/06/using-tempdata-asp-net-mvc.html
Hosting in Windows Service is suitable for long-running WCF Service where the lifetime of the service is controlled by operating system. http://www.topwcftutorials.net/2014/06/wcf-hosting-windows-service.html