Select three best practices when developing activities (Choose Three)

Which two statements about guardrails are true? (Choose Two)

Management reports that have an unacceptably large number of cases are incorrectly identified as duplicate cases .
Which two approaches could you use to modify the duplicate case search process so that it
produces fewer invalid duplicates? (Choose Two)

Select the three Pega best practices for developing activities. (Choose Three)

What advantage does skimming provide over lock and roll as a versioning option?