Which of the following about the workflow of the connection between U2000 CORBA and OSS is wrong?

Which of the following about the workflow of the connection between U2000 CORBA and OSS is wrong?
A . Start the name service
Start notification service
Start U2000 CORBA
B . CORBA Registers with Notification Service
CORBA creates a channel into the name service
C . OSS connects to the name service through the CORBA client
CORBA client of OSS finds an event channel through the Name Service
D . OSS accesses CORBA agent through CORBA client
CORBA agent reports message to OSS through event channel

Answer: B