Your database is open and users are connected using the LISTENER listener. The new DBA of the system stops the listener by using the following command: LSNRCTL> STOP  What would happen to the sessions that are presently connected to the database instance?()
A:The sessions are able to perform only queries.
B:The sessions are not affected and continue to function normally.
C:The active transactions are rolled back and the sessions get terminated.
D:The sessions are not allowed to perform any operations till the listener is started.
出自:Oracle认证