A Recently Installed Application Writes Log Data to / Opt/app/log/info

Multiple Choice

A recently installed application writes log data to / opt/app/log/info.log . If Filebeat is already installed and set up for communication with a remote Logstash, what has to be done in order to submit the log data of the new application to Logstash?

A) Add an additional input channel with the option source => "/opt/app/log/info.log" to the Logstash configuration. Add an additional input channel with the option source => "/opt/app/log/info.log" to the Logstash configuration.
B) Configure logrotate to execute filebeat -I /opt/app/log/info.log 0 after each rotation of /opt/app/log/info.log. Configure logrotate to execute filebeat -I /opt/app/log/info.log 0 after each rotation of /opt/app/log/info.log.
C) Add the log file to the path option within the log prospector in the Filebeat configuration and restart Filebeat. Add the log file to the path option within the log prospector in the Filebeat configuration and restart Filebeat.
D) Add a new cron job that invokes filebeat -i /opt/app/log/info.log periodically. Add a new cron job that invokes filebeat -i /opt/app/log/info.log periodically.
E) Replace / opt/app/log/info.log by a symbolic link to / dev/filebeat and restart the new application. Replace / by a symbolic link to / dev/filebeat and restart the new application.