13. The method of claim 1 , wherein the query request specifies one or more fields that exist in the configuration file and one or more corresponding values for the one or more fields.
13. The method of claim 1 , wherein the query request specifies one or more fields that exist in the configuration file and one or more corresponding values for the one or more fields. 14. The method of claim 13 , wherein the one or more fields are specified using xml path (xpath) syntax.