Inquiry levels configuration behavior

Inquiry levels can be configured in the following ways:

Behavior When Configured On
Inquiries with various levels can be run.
Behavior When Configured Off
Inquires can only have one level.
Behavior When Configuration is Changed in a Production Environment
Inquiry levels can be configured on or off at any time without impact other than changing the level of inquiry.
Configured During Installation
Inquiries do not have to be installed, however you must configure it in order to use the levels of inquiry.
Modifying This Feature
Inquiries can be modified according to the procedures in the Defining inquiry levels section of the developer documentation.