When indexing a data source, which fields are considered metadata?

Which feature in Splunk allows Event Breaking, Timestamp extractions, and any advanced configurations found in props.conf to be validated all through the UI?

Which of the following are supported options when configuring optional network inputs?

Which of the following monitor inputs stanza headers would match all of the following files?
/var/log/www1/secure.log
/var/log/www/secure.l
/var/log/www/logs/secure.logs
/var/log/www2/secure.log

When deploying apps, which attribute in the forwarder management interface determines the apps that clients install?