federated servers

Welcome back…
Today I am going to give the answers to the interview questions that I received regarding SQL Server 2005.
Question 1
What are the different versions (editions) in SQL Server 2005
Answer
SQL Server Express Edition, Workgroup Edition, Standard Edition, Enterprise Edition
Question2
What is the difference between RAID 0 + 1 and RAID 1 + 0
Answer
Here the argument [...]