Which stages will require a schema file when runtime column propagation (RCP) is enabled? (Choose two.)

A.
Data Set

B.
Column Import

C.
Internal Source

D.
External Target

E.
Make Subrecord

Explanation:
https://www- 01.ibm.com/support/knowledgecenter/SSZJPZ_11.3.0/com.ibm.swg.im.iis.ds.parjob.dev.doc/topic
s/c_deeref_using_rcp_with_sequential_stages.html