Stakeholders have identified high availability for searchable data as their top priority. Which of the following best addresses this requirement?

A. Increasing the search factor in the cluster.

B. Increasing the replication factor in the cluster.

C. Increasing the number of search heads in the cluster.
D. Increasing the number of CPUs on the indexers in the cluster.

Reference: https://docs.splunk.com/Documentation/Splunk/7.3.2/DistSearch/SHCarchitecture