CISSP: Certified Information Systems Security Professional

By ISC · Question Mode

QuestionQ65

VerifiedCommunication and Network Security

Recently, an unknown event disrupted a single Layer-2 network spanning two geographically diverse data centers. Network engineers have requested assistance identifying the event’s root cause. Which of the following is the MOST likely cause?

Explanation

A large Layer-2 broadcast domain extends broadcast traffic across all connected sites. Excessive broadcast traffic can overwhelm network resources and create a traffic storm that disrupts communications throughout the Layer-2 segment. Cisco documents that broadcast traffic is sent to all devices in the same broadcast domain and that traffic storms can overwhelm the network.

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