HCL .Net Interview Question --Technical Round Dotnet

 HCL .Net Interview Question --Technical Round Dotnet
1) Versioning is applicable for private assemblies.
2) If Application Configuration and Server Configuration have different session state values, what will happen.
3) Write aprogram to convert string to integer with out using library.
4) Can we have override method methods as static that original was non static?
5) can we override private virtual methods?
6) Two tables and Asked to wirte a select query on thta( Employee details who earns salary mode that highest paid manager).
7)What is versioning
8)What is namespace of assembly at runtime, what are the methods in it
9)What is Virtual Base Class