200-301 Question #1345: Real Exam Question with Answer & Explanation

Question

Which interface condition is occurring in this output?

Options

• Acollisions
• Bbad NIC
• Cduplex mismatch
• Dbroadcast storm

Explanation

A broadcast storm typically results from excessive broadcast traffic overwhelming network devices and consuming significant bandwidth and CPU resources.

Common mistakes.

• A. Collisions occur in half-duplex environments when two devices transmit simultaneously on the same segment, which is distinct from a broadcast storm.
• B. A bad NIC typically results in intermittent connectivity issues, errors, or no connectivity for that specific device, but doesn't inherently cause a broadcast storm across the network.
• C. A duplex mismatch occurs when one device operates in full-duplex and the other in half-duplex, leading to high late collisions or input errors, not necessarily a network-wide broadcast storm.

Concept tested. Identifying network broadcast storm

Reference. https://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/10559-16.html

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