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Why is BPDU guard an effective way to prevent an unauthorized rogue switch from altering the spanning-tree top

Why is BPDU guard an effective way to prevent an unauthorized rogue switch from altering the spanning-tree topology of a network?
Select the best response.

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A.
BPDU guard can guarantee proper selection of the root bridge.

B.
BPDU guard can be utilized along with PortFast to shut down ports when a switch is connected to the port.

C.
BPDU guard can be utilized to prevent the switch from transmitting BPDUs and incorrectly altering the root bridge election.

D.
BPDU guard can be used to prevent invalid BPDUs from propagating throughout the network.


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