Refer to the exhit.
There is a spanning tree loop in the network.
What is the acuse of the loop?
A . a duplex mismatch
B . a speed mismatch
C . a vlan missconfiguration
D . missing IP addresses
Answer: A
Explanation:
Duplex mismatch is a configuration issue where one side of the network is set to one duplex mode and the other to another duplex mode. Having one bridge on half duplex and the other on full duplex results in collisions that cause bridging loops