A switch has detected duplicate broadcast messages sourced from a second port. The broadcasts continue to be transmitted and duplicated until the amount of traffic causes severe performance issues. Which of the following should be configured to prevent this behavior?
A. BPDU guard
B. DHCP snooping
C. ARP protection
D. Spanning tree
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good point. However to me at least, the keyword is the “broadcast continuation” going for ever until the service goes down. having STP will help in redirecting broadcast and disable ports that can cause the retransmission of this broadcast.
is there any reason why it is not BPDU?
BPDU Guard feature is used to protect the Layer 2 Spanning Tree Protocol (STP) Topology from BPDU related attacks. … When a BPDU Guard enabled port receive BPDU from the connected device, BPDU Guard disables the port and the port state is changed to Errdisable state.