Which network in an Exalogic machine connects to your existing management network and is used for administrative work?

Which network in an Exalogic machine connects to your existing management network and is
used for administrative work?

A.
Client access network

B.
InfiniBand network

C.
Management network

D.
Ethernet over InfiniBand

Explanation:
http://docs.oracle.com/cd/E18476_01/doc.220/e18478/network.htm (management
network)