Which one of the following statements is true regarding STP?

Which one of the following statements is true regarding STP?
A . STP is used to defend against spoofing attacks
B . STP is used to maintain the VLAN configuration consistency across the Layer 2 network.
C . STP is used to prevent loops from being formed when switches or bridges are interconnected via multiple paths across the Layer 2 network.
D . STP is used to negotiate whether an interconnection between two switches should be put into access or trunk mode.
E . STP is used to detect the loss of bidirectional communication on a link.

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Answer: C