Which switch feature prevents traffic on a LAN from being overwhelmed by continuous multicast or broadcast traffic?

Which switch feature prevents traffic on a LAN from being overwhelmed by continuous multicast or broadcast traffic?
A . storm control
B . port security
C . VTP pruning
D . VLAN trunking

Answer: A

Explanation:

A traffic storm occurs when packets flood the LAN, which creates excessive traffic and degrades network performance. The traffic storm control feature prevents LAN ports from being disrupted by a broadcast, multicast, or unicast traffic storm on physical interfaces from either mistakes in network configurations or from users issuing a DoS attack.

Reference: http://3c3cc.com/c/en/us/td/docs/ routers/7600/ios/122SR/configuration/guide/swcg/do s.pdf

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