Which factors should be considered when using identity Resolution within Customer Data Platform (Choose 2)

Which factors should be considered when using identity Resolution within Customer Data Platform (Choose 2)
A . CDP does not merge source records but instead creates a unified records that links all source records
B. The unified individual ID is refreshed after each resolution and it can change over a period of time.
C. CDP only lets you create one identity resolution ruleset
D. Fuzzy value used to match source profiles are stored in unified profile

Answer: A,D