Which strategy represents the minimum and least disruptive change necessary to protect the searchability of the indexer cluster in case of indexer failure?

The customer has an indexer cluster supporting a wide variety of search needs, including scheduled search, data model acceleration, and summary indexing.

Here is an excerpt from the cluster mater’s server.conf:

Which strategy represents the minimum and least disruptive change necessary to protect the searchability of the indexer cluster in case of indexer failure?
A . Enable maintenance mode on the CM to prevent excessive fix-up and bring the failed indexer back online.
B . Leave replication_factor=2, increase search_factor=2and enable summary_replication.
C . Convert the cluster to multi-site and modify the server.confto be site_replication_factor=2, site_search_factor=2.
D . Increase replication_factor=3, search_factor=2to protect the data, and allow there to always be a searchable copy.

View Answer

Answer: D