Network Defense Essentials (NDE) Practice Exam 2026 - Free Network Defense Practice Questions and Study Guide

The device-to-device communication model is particularly well-suited for environments like a hospital room where immediate and direct communication between IoT devices is crucial. This model facilitates seamless interaction between devices within proximity, allowing them to share information and control functions without the need for a centralized intermediary.

In a healthcare setting, for instance, this could mean that a smartwatch worn by a patient can directly communicate with an infusion pump, providing real-time monitoring and adjustments for medication delivery based on the patient's vital signs. This direct interaction enhances responsiveness and can improve patient safety by enabling quick reactions to changes in health status.

Additionally, by using the device-to-device model, latency is reduced because the data doesn’t need to be sent to a cloud or gateway for processing before commands are executed. This rapid communication is particularly important in critical care situations where decisions need to be made swiftly based on the most current data.

In contrast, other communication models like device-to-cloud or device-to-gateway involve intermediaries (cloud services or gateways) which can introduce delays and may not be as efficient for immediate interactions needed in patient management.