Which type of upgrade is supported from a single-node FAS2552 to a dual-node cluster
with clustered Data ONTAP 8.3 when all 10 GB ports are used for host access?

A.
a disruptive upgrade from a single-node cluster to a dual-node HA cluster

B.
a non-disruptive upgrade of a single-node cluster into a dual-node HA cluster

C.
a single-node cluster upgraded by migration of data to another single-node cluster

D.
a disruptive single-node cluster upgraded to a dual-node HA cluster by adding 10 Gb
Ethernet cards