I answered the right option and I've been awarded with 1 point

I answered sp_filestream_configure because it was the closest option to what msdn says

in msdn they say to enable Filestream the command is

EXEC sp_configure filestream_access_level, 2

RECONFIGURE

check this link : http://msdn.microsoft.com/en-us/library/cc645923.aspx

and this answer wasn't in any option

thanks