Discussion
What is the purpose of Spanning Tree Protocol in a switched LAN?
Answer: C
Correct answer: To prevent switching loops in networks with redundant switched paths
STP operates at layer 2 and prevents *switching* loops, which is the distinction the option beside it trades on - routing loops are a layer 3 problem handled by the routing protocols. It works by blocking ports until only one active path remains between any two points, keeping the redundant links in reserve.
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