Which two statements are accurate descriptions of the oracle BI configuration files?

A.
NQServer.log records information about query results.

B.
NQQuery.log specifies which repositories to load and whether to enable or disable query caching

C.
NQSconfig.ini contains metadata that represents the analytical model and is divided into three layers

D.
The name of the web catalog to use is specified in the instanceconfig.xlm file on the web server

E.
DBfeatures.ini is used by BI server to optimize query generation.