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Chapter 3 - 11th - Data Communications Multiple Questions and Answers.
| 46. | Which technique is used to transmit large amount of data such as voice and video, over long distance by using modulation? | ||
| A. | Baseband | ||
| B. | Broadband | ||
| C. | Bandwidth | ||
| D. | None | ||
| 47. | How many types, the communication channels are divided? | ||
| A. | 2 | ||
| B. | 3 | ||
| C. | 4 | ||
| D. | 5 | ||
| 48. | Microwave transmission, coaxial cables and fiber optics are examples of choose which one is correct? | ||
| A. | Modems | ||
| B. | Communication media | ||
| C. | Gateways | ||
| D. | Ring network | ||
| 49. | is not a communication media choose which one is correct? | ||
| A. | Twisted wire | ||
| B. | UTP, STP | ||
| C. | Microwave | ||
| D. | Modem | ||
| 50. | is guided media choose which one is correct? | ||
| A. | Microwave | ||
| B. | Satellite | ||
| C. | Fiber optic cable | ||
| D. | Mobile communication | ||
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