Final answer:
A personal area network (PAN) is suitable for mobile users who need to make very short-range device-to-device wireless connections within a small space, such as a single room, and most commonly with Bluetooth. Hence the correct answer is option A
Step-by-step explanation:
The correct answer is A. personal area network. A personal area network (PAN) is suitable for mobile users who need to make very short-range device-to-device wireless connections within a small space, such as a single room, and most commonly with Bluetooth. Bluetooth is a wireless technology that allows devices to connect and communicate wirelessly over short distances.