A. Personal IoT
B. Group IoT
C. Community IoT
D. None of these

Solution

B. Group IoT

Explanation

<p>In the context of IoT categories:</p><ul><li>Personal IoT involves devices used by one person (e.g., smartwatches, fitness trackers).</li><li>Group IoT involves devices shared within a group (e.g., connected cars used by families or businesses).</li><li>Community IoT involves devices shared across a community (e.g., public smart parking systems).</li></ul>