What is a capability of the Import within Contact Builder? Choose 2 answers

What is a capability of the Import within Contact Builder? Choose 2 answers
A . The data source can be a local file, data filter, or file on any FT
C . The target destination can be a DE, list, or All Contacts for Mobile Push or Connect.
D . Like the Import Wizard, the Contact Builder import definition can be executed without saving.
E . In order to use Map by Header Row, the fields in the DE and file must match exactly.

Answer: B, D