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At a customer site, you enter the following command into the CLI of an HP A-Series switch:
stp bpdu-protection
Which BPDUs will the switch discard?
A. BPDUs from switches running legacy STP
B. BPDUs from switches running PVST+
C. BPDUs received by edge ports
D. BPDUs from outside its MST region
Correct Answer: C
Explanation/Reference:
BPDU protection is a security feature designed to protect the active STP topology by preventing spoofed BPDU packets from entering the STP domain. In a typical implementation, BPDU protection would be applied to edge ports connected to end user devices that do not run STP. If STP BPDU packets are received on a protected port, the feature will disable that port and alert the network manager via an SNMP trap as shown.
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