What three tasks are required to add a CRS application?（）

A.Microsoft Management Console  
B.Cisco Security Agent (headless agent)  
C.Cisco Security Agent Management Center  
D.Microsoft SQL Server 2000

A.The script probably has an error in the DSN configuration.
B.IPCC Express Standard is not licensed for Database steps.  
C.The script probably has an error in the query string.  
D.There is probably an interoperability problem between IPCC Express and the database.

A.JTAPI User problem  
B.CTI Route Point problem  
C.CTI Port Group problem  
D.script problem  
E.application problem