MCQOPTIONS
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MCQOPTIONS
This section includes 310 Mcqs, each offering curated multiple-choice questions to sharpen your Networking knowledge and support exam preparation. Choose a topic below to get started.
| 301. |
Which of the following to be considered as a broadband communication? |
| A. | Fiber optics |
| B. | Multiplexing |
| C. | Microwave circuit |
| D. | Both a and c |
| Answer» E. | |
| 302. |
In _______ transmission, bits are transmitted simultaneously, each across its own wire. |
| A. | Asynchronous serial |
| B. | Synchronous serial |
| C. | Parallel |
| D. | (a) and (b) |
| Answer» D. (a) and (b) | |
| 303. |
In _______ transmission, bits are transmitted over a single wire, one at a time. |
| A. | asynchronous serial |
| B. | synchronous serial |
| C. | parallel |
| D. | (a) and (b) |
| Answer» E. | |
| 304. |
Which of the following devices modulates digital signals into analog signals that can be sent over traditional telephone lines? |
| A. | Router |
| B. | Gateway |
| C. | Switch |
| D. | Modem |
| Answer» E. | |
| 305. |
Which of the following communication modes support two-way traffic but in only one direction at a time? |
| A. | simplex |
| B. | half duplex |
| C. | three-quarters duplex |
| D. | none of the above |
| Answer» C. three-quarters duplex | |
| 306. |
The method of communication in which transaction takes place in both directions,but only in one direction at a time, is called ? |
| A. | Simplex |
| B. | Four wire circuit |
| C. | Full duplex |
| D. | Half-duplex |
| Answer» E. | |
| 307. |
Which data communication method is used to transmit the data over a serial communication link? |
| A. | Simplex |
| B. | Half-duplex |
| C. | Full duplex |
| D. | All of above |
| Answer» D. All of above | |
| 308. |
In communication satellite, multiple repeaters are known as? |
| A. | Detectors |
| B. | Modulators |
| C. | Stations |
| D. | Transponders |
| Answer» E. | |
| 309. |
The process of converting analog signals into digital signals so they can be processed by a receiving computer is referred to as |
| A. | modulation |
| B. | demodulation |
| C. | synchronizing |
| D. | digitising |
| Answer» E. | |
| 310. |
Loss in signal power as light travels down the fiber is called? |
| A. | Attenuation |
| B. | Propagation |
| C. | Scattering |
| D. | Interruption |
| Answer» B. Propagation | |