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You are troubleshooting InfiniBand connectivity issues in a cluster managed by the NVIDIA Network Operator. You need to verify the status of the InfiniBand interfaces. Which command should you use to check the state and link layer of InfiniBand interfaces on a node?

A.

rdma show devices

B.

ibstat -d mlx5_X

C.

ifconfig ib0

D.

ip link show dev ib0