You executed the following command in the lsnrctl utility to stop the listener:
lsnrctl> STOP L1
What is the effect of this command if L1 is the only listener configured for your database?
A.
It terminates all user sessions.
B.
It prevents users from logging in to the database remotely.
C.
It halts the server until all user transactions are completed.
D.
The server hangs, so users will receive an error asking them to login again.
E.
Connected users would get an error with the message “End of communication channel”.
Listener Control utility enables you to administer listeners.
The listener is a separate process that runs on the database server computer. It receives incoming client connection requests and manages the traffic of these requests to the database server.
STOP
Use the command STOP to stop the named listener.