Which of the following is a characteristic of base searches?

A. Search expression, entity splitting rules, and thresholds are configured at the base search level.

B. It is possible to filter to entities assigned to the service for calculating the metrics for the service’s KPIs.

C. The fewer KPIs that share a common base search, the more efficiency a base search provides, and anomaly detection is more efficient.

D. The base search will execute whether or not a KPI needs it.

Reference: https://docs.splunk.com/Documentation/ITSI/4.10.2/SI/BaseSearch