Which statement is correct about Zero copy clones? (Choose two.)

A. It is mandatory for customers requiring RPO=0.
B. It is required for replication to a Secondary Flash Array’s for optimal data protection.
C. It is a full copy of all data blocks for full performance.

D. it allows a volume to be created for online use, based on a snapshot.

E. It occupies no additional space until new data is written or changed.

Reference: https://cdm-cdn.nimblestorage.com/2016/12/21081103/tr-nimblestorage-oracle-test-dev-guide.pdf