Cognizant Senior Software Engineer interview questions

First round is programming test in which they asked to write the program they provided, Complexity is Medium Second round is F2F technical Interview, In which they asked about OOPS, C# and then SQL Server and Then MVC questions The process took entire day, like i gone there at 10 AM and my F2F interview happen at 8 PM

First round was Written test, they asked about to write logging mechanism in mvc. a javascript question, i.e., to write a code, on click of radiobutton some action should trigger. and some sql problem