MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Communications knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Attenuation is a function of |
| A. | Channel length |
| B. | Transmission media |
| C. | Signal frequencies |
| D. | All of the mentioned |
| Answer» E. | |
| 2. |
The radiation loss increases as |
| A. | Frequency increases |
| B. | Frequency decreases |
| C. | Does not depend on frequency |
| D. | None of the mentioned |
| Answer» B. Frequency decreases | |
| 3. |
Noise is _____ in nature. |
| A. | Random |
| B. | Systematic |
| C. | Random or Systematic |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4. |
THE_RADIATION_LOSS_INCREASES_AS?$ |
| A. | Frequency increases |
| B. | Frequency decreases |
| C. | Does not depend on frequency |
| D. | None of the mentioned |
| Answer» B. Frequency decreases | |
| 5. |
Attenuation_is_a_function_of$ |
| A. | Channel length |
| B. | Transmission media |
| C. | Signal frequencies |
| D. | All of the mentioned |
| Answer» E. | |
| 6. |
Noise is _____ in nature? |
| A. | Random |
| B. | Systematic |
| C. | Random or Systematic |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 7. |
In transmission media, the symbol type is generally |
| A. | Analog |
| B. | Digital |
| C. | Analog & Digital |
| D. | None of the mentioned |
| Answer» B. Digital | |
| 8. |
Transmission media is |
| A. | Acoustic |
| B. | Guided |
| C. | Optical |
| D. | All of the mentioned |
| Answer» E. | |
| 9. |
Embedding is a form of |
| A. | Abstraction |
| B. | Layering |
| C. | Entity sharing |
| D. | None of the mentioned |
| Answer» C. Entity sharing | |
| 10. |
Channel can provide connectivity to |
| A. | Point to point |
| B. | 1 to many |
| C. | Many to many |
| D. | All of the mentioned |
| Answer» E. | |
| 11. |
In channel, delay is |
| A. | Fixed |
| B. | Variable |
| C. | Fixed & Variable |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 12. |
Entities also does |
| A. | Error correction |
| B. | A/D |
| C. | D/A |
| D. | All of the mentioned |
| Answer» E. | |
| 13. |
Top layer is |
| A. | Physical media |
| B. | Application |
| C. | Design |
| D. | None of the mentioned |
| Answer» C. Design | |