.net Interview Questions

1) Can you please explain the .net framework version history?

Generation	Version number	Release date
1.0	1.0.3705.0	2002-02-13
1.1	1.1.4322.573	2003-04-24
2.0	2.0.50727.42	2005-11-07
3.0	3.0.4506.30	2006-11-06
3.5	3.5.21022.8	2007-11-19
4.0	4.0.30319.1	2010-04-12
4.5	4.5.50709.17929	2012-08-15
4.5.1	4.5.50938.18408	2013-10-17

2) What is CLI?
    Common Language Infrastructure is abbreviated as CLI.

3) What is CLR?
    Common Language Runtime (CLR) is the implementation of CLI (Common Language Infrastructure). 

4) What is CAS?
    Code Access Security is abbreviated as CAS.