Internet of Things (IoT) Practice Exam 2026 – Comprehensive Prep Resource

When evaluating factors before purchasing an IoT gateway device, uptime is indeed a critical consideration. Uptime refers to the amount of time that the device is operational and available for use, which is essential for maintaining continuous connectivity and functionality within an IoT ecosystem. High uptime ensures that devices are consistently connected, which is vital for applications relying on real-time data and responses.

Selecting a gateway with proven high uptime can enhance the reliability of the entire IoT system, minimizing the risk of disruptions that could result in data loss or service inefficiencies. Therefore, uptime should definitely be a factor that is considered during the selection process for an IoT gateway device.

In contrast, the other factors mentioned—network security, power, and downtime—are equally crucial in the decision-making process. Network security is fundamental to protect against potential breaches or unauthorized access, power considerations ensure the device can function in various environments, and downtime, which indicates periods when the device is not operational, can directly affect service quality. Thus, uptime remains a key factor that cannot be overlooked when choosing an IoT gateway device.