In the network connection shown in the figure, SWA and SWB both have STP and Loopback-detection enabled. Please confirm that which of the following status description of each port of SWA and SWB is correct?

In the network connection shown in the figure, SWA and SWB both have STP and Loopback-detection enabled. Please confirm that which of the following status description of each port of SWA and SWB is correct?

A . SWA’s G1/0/1 may be blocked because STP detects a loop.
B . STP detects a loop between G1/0/2 or G1/0/3 of SWB and blocks one of them.
C . Loopback-detection detects a loop between G1/0/2 and G1/0/3 of SWB and blocks one of them.

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Answer: B