A customer mentions that a new Node device connected to a QFabric system is not discovered.
What are three reasons for this issue? (Choose three.)

A.
The control plane cabling is incorrect.

B.
The C0 and C1 ports on the Node device are not assigned correct IP addresses.

C.
The Node device is in standalone mode.

D.
The Node device is not preconfigured in the QFabric system.

E.
The VCCP protocol on the Node device is not running.