05024ba1_nfig_Inheritance_and_Overrides__Configuration_level
[File name] Web.config [File description] The Web.config file for a specific ASP.NET application is located in the root directory of the application and contains settings that apply to the Web application and inherit downward through all of the subdirectories in its branch. [Configuration level] 
ASP.NET application root directory
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