In addition to the normal responsibilities of a search head cluster captain, which of the...

 A default behavior of a search head cluster captain is that it is a cluster member who performs normal search activities. This means that the captain can run searches, display dashboards, access knowledge objects, and perform other functions that any other search head can do. The captain also has additional responsibilities, such as coordinating artifact replication, managing search affinity, handling search head failures, and electing a new captain if needed. References:

https://docs.splunk.com/Documentation/Splunk/9.1.1/DistSearch/SHCarchitecture

https://docs.splunk.com/Documentation/Splunk/9.1.1/DistSearch/Captainresponsibilities