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

Question: 1 / 545

Which IoT security layer allowed John to successfully complete his smart TV recharge?

Device layer

Cloud layer

The cloud layer is crucial in IoT security because it serves as the central hub where IoT devices connect to process, store, and analyze data. In the context of John's smart TV recharge, the cloud layer would manage the payment transaction, validate the user's account, and store necessary data such as billing information or transaction history, enabling the financial part of the recharge process.

The cloud is where secure processing occurs, ensuring that sensitive data is transmitted securely and that the interaction between the smart TV and payment service is authenticated and authorized. Additionally, the cloud layer often implements security protocols and encryption that protect data both during transit and at rest, making it essential for secure operational functionalities like recharging services. This makes the cloud layer integral to successfully completing tasks such as recharges for smart devices.

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Process layer

Communication layer

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