A.stop and restart the listener process
B.set the TNS_ADMIN environmental variable
C.stop all running listener processes and restart the listener process
D.change the port number to an unused port number and restart the listener process
E.change the IP address to host machine name in the LISTENER.ORA file and restart the listener process

A.Oracle Managed Files
B.Oracle Grid Architecture
C.Optimal Flexible Architecture
D.Oracle database architecture

A.A
B.B
C.C
D.D

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.

A.execute the command， ALTER SESSION KILL ..， to kill the blocking session
B.execute the DBMS_SESSION.KILL_SESSION procedure to kill the blocking session
C.execute the command， ALTER SYSTEM KILL SESSION ..， to kill the blocking session
D.execute the command， ALTER SESSION UNLOCK ..， to release the lock for the blocking session
E.execute the command， ALTER SYSTEM UNLOCK SESSION ..， to release the lock for the blocking session