CISSP · Question #1119
CISSP Question #1119: Real Exam Question with Answer & Explanation
The correct answer is C: Broadcast domain too large. The most likely cause of the disruption of a single Layer-2 network that spans between two geographically diverse data centers is that the broadcast domain is too large. A broadcast domain is a logical network segment where any device can communicate with any other device by send
Question
Recently, an unknown event has disrupted a single Layer-2 network that spans between two geographically diverse data centers. The network engineers have asked for assistance in identifying the root cause of the event. Which of the following is the MOST likely cause?
Options
- AMisconfigured routing protocol
- BSmurf attack
- CBroadcast domain too large
- DAddress spoofing
Explanation
The most likely cause of the disruption of a single Layer-2 network that spans between two geographically diverse data centers is that the broadcast domain is too large. A broadcast domain is a logical network segment where any device can communicate with any other device by sending a broadcast message, without the need for a router. A broadcast message is a message that is sent to all devices in the network. However, too many broadcast messages can create network congestion and performance issues, especially in a large network that spans across different locations. Therefore, it is recommended to limit the size of the broadcast domain by using routers, switches, or VLANs to divide the network into smaller segments.
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