Identify, in the following statements, some technologies that enable IoT: I. Sensors. II. Privacy and security. III. Middleware. IV. Object abstra...

Identify, in the following statements, some technologies that enable IoT:

I. Sensors.
II. Privacy and security.
III. Middleware.
IV. Object abstraction.
V. Operating systems.
a) Only statements I, II, and III are correct.
b) Only statements II, III, and IV are correct.
c) All statements are correct.
d) Only statements III, IV, and V are correct.