What is one feature of a Distributed Intrusion Detection System (DIDS)?

A Distributed Intrusion Detection System (DIDS) is characterized by its use of multiple intrusion detection systems deployed across different segments of a large network. This architecture allows for a more comprehensive monitoring capability, enabling the detection of potential intrusion attempts across various devices and locations within the network. By distributing the detection processes, a DIDS can efficiently analyze traffic and respond to threats in real time, improving the overall security posture.

This approach also enhances scalability, as additional sensors can be integrated into various parts of the network as needed. It also improves resilience, because if one detection point fails or is compromised, others can continue to monitor and protect the network.

In contrast, the other options do not accurately reflect the nature of a Distributed Intrusion Detection System. A single IDS serving a large network would not harness the benefits of distribution, limiting its effectiveness. Similarly, by being restricted to local area networks or lacking network segmentation, these alternatives would hinder the DIDS’s intended capabilities and responsiveness essential for monitoring a complex network environment.