Cisco Exam Questions

Which protocol minimizes unicast flooding during TCN in a Layer 2 switched network with many VLANs?

While reviewing an existing network design, you are discussing the characteristics of different STP versions.
Which protocol minimizes unicast flooding during TCN in a Layer 2 switched network with many VLANs?
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A. STP
B. MST
C. PVRSTP
D. PVSTP+

Answer: D

Explanation: