Which command enables RSTP on a switch?
A. spanning-tree uplinkfast
B. spanning-tree mode rapid-pvst
C. spanning-tree backbonefast
D. spanning-tree mode mst
Answer:B
Which command enables RSTP on a switch?
A. spanning-tree uplinkfast B. spanning-tree mode rapid-pvst C. spanning-tree backbonefast D. spanning-tree mode mst
Explanation: Ethernet network is a shared environment so all devices have the right to access to the medium. If more than one device transmits simultaneously, the signals collide and can not reach the destination. If a device detects another device is sending, it will wait for a specified amount of time before attempting to transmit.