What is the default spanning-tree mode of an NNI port on a Cisco ME3400 switch?
A. multiple spanning tree (mst)
B. per-vlan rapid spanning tree (rapid-pvst)
C. per-vlan spanning tree (pvst)
D. IEEE 802.1D (stp)
What is the default spanning-tree mode of an NNI port on a Cisco ME3400 switch?
A. multiple spanning tree (mst)
B. per-vlan rapid spanning tree (rapid-pvst)
C. per-vlan spanning tree (pvst)
D. IEEE 802.1D (stp)