A potential customer has asked you to describe the DR options available for an EMC Centera
archive.
What replication options should you discuss with the customer?

A.
Unidirectional, bi-directional, chain and inward star that support asynchronous updates to the
replica clusters

B.
Unidirectional, bi-directional, chain and outward star that support synchronous and
asynchronous updates to the replica clusters

C.
Unidirectional, bi-directional, chain and inward star that support synchronous updates to the
replica clusters

D.
Unidirectional, bi-directional, chain and inward star that support synchronous and asynchronous
updates to the replica clusters