| 1 |
A ------------ network is a radio network distributed over a vast area through hexagonal cell |
- A. Li-Fi
- B. Wi-Fi
- C. Satellite
- D. Cellular
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| 2 |
A computer or device that sends a message is called. |
- A. Receiver
- B. Sender
- C. Encoders
- D. Transmission media
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| 3 |
Which of the following is not the component of data communication system. |
- A. Message
- B. Sender
- C. Protocol
- D. Transmission Media
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| 4 |
------- is the unit of frequency. |
- A. Meter
- B. Hertz
- C. Joule
- D. None of these
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| 5 |
Bluetooth is anothe rimportant...... range wireless communication system. |
- A. Low
- B. Mid
- C. High
- D. Side
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| 6 |
Physical media is also called.......... or........ |
- A. Guided media
- B. Bounded media
- C. Both of above
- D. None of these
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| 7 |
In the ........... network , computers are not physically connected. |
- A. WAN
- B. LAN
- C. MAN
- D. None of these
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| 8 |
The electromagnetic ways that travel through open space in all direction is called. |
- A. Micro waves
- B. Radio waves
- C. Infrared waves
- D. All of these
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| 9 |
The-------------- spectrum has frquencies between 300 GHz and 400 THz. |
- A. Infrared
- B. Radio waves
- C. Micro waves
- D. None of these
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| 10 |
An unguided transmission media transmits elecromagnetic waves without using any ........medium. |
- A. Social
- B. Physical
- C. Both
- D. None of these
|