Anyone who knows just the host name and the listener name can have full control over the
listener. They can stop the listener and also obtain detailed information about the listener,
database, and the configuration of the application. How would you avoid this scenario?
A.
run listener on a remote client
B.
set a password for the listener
C.
hide the listener
D.
lock the listener
E.
store listener.ora in a non-default location
F.
create multiple listeners
B