Internet of Things (IoT) Practice Exam

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Which option is NOT considered a security measure?

Encryption
Password
Firewall
Firmware

The correct answer is: Firmware

The choice of firmware as not being considered a security measure is grounded in its primary function. Firmware is a type of software that provides low-level control for a device's specific hardware. While it plays a crucial role in the operation and features of a device, its main purpose is to facilitate hardware functionality rather than directly protect against security threats. In contrast, encryption, passwords, and firewalls are all fundamental components of a comprehensive security strategy. Encryption safeguards data by transforming it into a secure format that is unreadable without a key, enabling protection of sensitive information. Passwords act as a basic form of authentication, restricting access to authorized users only. Firewalls monitor and control incoming and outgoing network traffic based on predetermined security rules, serving as a barrier against unauthorized access to networks. Therefore, firmware lacks the direct intent or function of enhancing security in the same manner as the other options.