If sending and receiving devices are located at distances, the transmission medium may be?

If sending and receiving devices are located at distances, the transmission medium may be? (a) Telephone lines or fiber optics (b) Local wires (c) Wi-Fi Devices (d) Electricity wires ✅ Correct Option: (a) Telephone lines or fiber optics Explanation: Long-distance data transmission commonly uses telephone lines or fiber optic cables because they support high-speed, long-range communication.