350-701 · Question #776
A network engineer is configuring a Cisco Catalyst switch. The network engineer must prevent traffic on the network from being interrupted by broadcast packets flooding the network using a…
The correct answer is C. Storm Control. To prevent network disruptions caused by excessive broadcast packets exceeding a predefined threshold, Storm Control must be configured on a Cisco Catalyst switch.
Question
A network engineer is configuring a Cisco Catalyst switch. The network engineer must prevent traffic on the network from being interrupted by broadcast packets flooding the network using a predefined threshold. What must be configured on the switch?
Options
- ADHCP Snooping
- BEmbedded Event Monitoring
- CStorm Control
- DLoop Guard
How the community answered
(26 responses)- B4% (1)
- C92% (24)
- D4% (1)
Why each option
To prevent network disruptions caused by excessive broadcast packets exceeding a predefined threshold, Storm Control must be configured on a Cisco Catalyst switch.
DHCP Snooping is a security feature that prevents unauthorized DHCP servers and protects against DHCP starvation attacks, not broadcast storms.
Embedded Event Monitoring (EEM) is a flexible tool for event detection and onboard automation, not directly for mitigating broadcast storms.
Storm Control is a Cisco Catalyst switch feature designed to prevent network performance degradation due to excessive broadcast, multicast, or unknown unicast traffic. It monitors traffic levels and, when a user-defined threshold is surpassed, it can drop packets or shut down the port to prevent a network storm.
Loop Guard is a Spanning Tree Protocol (STP) enhancement that prevents STP forwarding loops when a port's STP state transitions incorrectly, rather than controlling broadcast traffic volume.
Concept tested: Cisco Storm Control for broadcast storm prevention
Source: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3850/software/release/3se/consolidated/configuration_guide/b_consolidated_3850_3se_cg/b_consolidated_3850_3se_cg_chapter_01101111.html#concept_81DD20C920974537B85567FC2C451DDC
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