052-235(新增70题2018)

You manually create an additional listener process, L1, for databases PROD, PAYDB and FINDB. While starting up the listener process, you get the following error message:

LSNRCTL> start L1

Starting /u01/app/oracle/product/10.1.0/db_1/bin/tnslsnr: please wait...

TNSLSNR  for  Linux:  Version  10.1.0.2.0  -  Production  System  parameter  file  is

/u01/app/oracle/product/10.1.0/db_1/network/admin/listener.ora

Log messages written to /u01/app/oracle/product/10.1.0/db_1/network/log/l1.log

Error listening on:

(ADDRESS=(PROTOCOL=TCP)(HOST=144.23.230.185)(port=8899))

TNS-12542: TNS:address already in use

TNS-12560: TNS:protocol adapter error

TNS-00512: Address already in use

Linux Error: 98: Address already in use

Listener failed to start. See the error message(s) above...

What action would you take to overcome this error without disrupting any existing database communications?

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

Answer: D

TNS-12542: TNS:address already in use

Cause: Specified listener address is already being used.

Action: Start your listener with a unique address.