An administrator configured Shared Ethernet Adapter with failover and VLAN tagging. After
some time network administrators noticed a broadcast storm in the network. They traced the
problem and detected that one of the VIO servers is flooding the network. What is the most
likely cause of the problem?

A.
The administrator enabled spanning-tree protocol on the SEA adapter.

B.
The administrator forgot to switch on VLAN tagging on one of the virtual Ethernet slots.

C.
The primary SEA has failed and the secondary SEA is negotiating takeover with the
switch.

D.
The administrator assigned a VLAN number already used in the network for the control
channel.