Can you please validate my answers for this?

Question 1 The Name of the page that an IIS server will a its initial page if no page is given is O Begin.aspx start htm Default.aspx o default.htlim Question How many TIERS (minimum) should any system have so that there is a separation between Ul and DB? Question 4 What property of a SQL Server table will cause an Integer field to Auto Increment with each new record? O getDate Identity Column Primary Key Foreign Key GUID Row ldentifier