| 1 |
Which of the following is not the component of data communication system. |
- A. Message
- B. Sender
- C. Protocol
- D. Transmission Media
|
| 2 |
PSTN or satellite links are....... devicesused for WAN. |
- A. Deleting
- B. Storing
- C. Communication
- D. All of these
|
| 3 |
------------- is a secured connection over the internet. |
- A. LAN
- B. WAN
- C. VPN
- D. None of these
|
| 4 |
In the ........... network , computers are not physically connected. |
- A. WAN
- B. LAN
- C. MAN
- D. None of these
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| 5 |
------- is the unit of frequency. |
- A. Meter
- B. Hertz
- C. Joule
- D. None of these
|
| 6 |
A ............. network is an internet connection that is shared with multiple devices in a home or business via a wireless router. |
- A. LiFi
- B. WiFi
- C. GPS
- D. Router
|
| 7 |
An unguided transmission media transmits elecromagnetic waves without using any ........medium. |
- A. Social
- B. Physical
- C. Both
- 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
|
| 9 |
------------ consists of a signle copper wire surrounded by at least three layers. |
- A. Fiber optic cable
- B. Coaxial cable
- C. Twisted pair cable
- D. None of these
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| 10 |
The common types of physicla media. |
- A. Twised pair cable
- B. Coaxial cable
- C. Fiber optic cable
- D. All of these
|