Why has this switch not been elected the root bridge for VLAN1?
A.
It has more than one interface that is connected to the root network segment.
B.
It is running RSTP while the elected root bridge is running 802.1d spanning tree.
C.
It has a higher MAC address than the elected root bridge.
D.
It has a higher bridge ID than the elected root bridge.
A. is incorrect because it has nothing to do with why this switch is not the root.
B. is incorrect because it has nothing to do with why this switch is not the root.
C.is incorrect. At first glance this can be tricking because the bridge does have a lower MAC address than the RooT. Dont forget priority comes first. If both switches have the same priority then its lowest MAC address.
D. is correct because Root has lower Priority.
This was the exam today
did you pass the exam? if yes can you please tell me which brain dump you took?