A storage administrator added three X410 nodes to an existing cluster with three X400
nodes. However, the administrator did not realize that a decision was made to update the
InfiniBand backend switches from DDR to QDR. Which type of cables must be used to
connect the X400 nodes to the new switches?

A.
Hybrid (QSFP-to-CX4)

B.
IB (Cx4-to-CX4)

C.
QSFP (QSFP-to-QSFP)

D.
Ethernet (DB45 CAT-6)