Which statement about a node-root volume is true?

Which statement about a node-root volume is true?
A . A node-root volume is used as the root volume for all of the SVMs for that node.
B . The volume movecommand can be used to move a node-root volume.
C . There is only one primary root volume per node in the cluster.
D . A node-root volume may be used for customer data.

Answer: C