05024ba1_nfig_Inheritance_and_Overrides__Configuration_level
[File name] Machine.config [File description] The Machine.config file contains the ASP.NET schema for all of the Web applications on the server. This file is at the top of the configuration merge hierarchy. [Configuration level] 
Server
S e r v e r
I I S
R o o t W e b
W e b s i t e
A S P . N E T a p p l i c a t i o n r o o t d i r e c t o r y
A S P . N E T a p p l i c a t i o n s u b d i r e c t o r y
Jon Galloway - 10 Things ASP.NET Developers Should Know About Web.config Inheritance and Overrides
Configuration level