Which Statements About Storm Control Implementation on the Switch Are True?
Question
Which two statements about the storm control implementation on the switch are true? (Choose two.)
Answers
Explanations
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A. B. C. D. E. F.AD.
Storm control is a feature in Cisco switches that enables the switch to monitor and regulate the amount of broadcast, multicast, and unicast traffic flowing through a particular switch port. The feature is used to prevent network congestion and DoS attacks caused by excessive broadcast and multicast traffic.
A. Traffic storm level is the percentage of total available bandwidth of the port. This statement is true. Storm control works by setting a threshold for the amount of traffic allowed through a port before the switch starts to drop the traffic. The threshold is usually set as a percentage of the total available bandwidth of the port. When the traffic level exceeds the threshold, the switch starts to drop the traffic.
B. Traffic storm level is the rate at which layer 3 traffic is received on the port. This statement is false. Storm control monitors the amount of broadcast, multicast, and unicast traffic received on a port, not just layer 3 traffic.
C. Traffic storm control monitors only the broadcast traffic. This statement is false. Storm control monitors and regulates the amount of broadcast, multicast, and unicast traffic received on a port.
D. Traffic storm control monitors the broadcast, multicast, and unicast traffic. This statement is true. Storm control monitors and regulates the amount of broadcast, multicast, and unicast traffic received on a port.
E. Traffic storm level is the rate at which layer 2 traffic is received on the port. This statement is false. Storm control monitors the amount of broadcast, multicast, and unicast traffic received on a port, not just layer 2 traffic.
F. A lower storm control level means more traffic is allowed to pass through. This statement is false. A lower storm control level means that the threshold is set lower, which results in less traffic being allowed through the port. A higher storm control level means that the threshold is set higher, which results in more traffic being allowed through the port.
