Dot Net Questions - Part 1

1. How you can build Robust, Scalable and Fault Tolerant application?
2. What is a smart Client?
3. How to handle a situation where Service data contract is changing very frequently?
4. How GC works.
5. What if dispose function is not implemented then how you will release unmanaged resources?
6. What if your application is loading lots of data at startup? Your application will be unresponsive until all the data is not loaded. What are the different ways to handle this situation?
7. What is Covariance and Contravariance
8. IEnumerable vs IQueryable
9. How finalize method will impact GC?
10. SQL - Lets say there are millions of records in a table, provide the options to optimize its performance.
11. SQL - What are the different ways to optimize SQL server's performance?