MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
What are the types of small scale fading that occurs due to Doppler shift? |
| A. | Slow fading |
| B. | Fast fading |
| C. | Slow & Fast fading |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 2. |
Small scale fading occurs due to |
| A. | Doppler shift |
| B. | Time delay |
| C. | Doppler shift & Time delay |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 3. |
WHAT_ARE_THE_TYPES_OF_SMALL_SCALE_FADING_THAT_OCCURS_DUE_TO_DOPPLER_SHIFT??$ |
| A. | Slow fading |
| B. | Fast fading |
| C. | Slow & Fast fading |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4. |
Small scale fading occurs due t? |
| A. | Doppler shift |
| B. | Time delay |
| C. | Doppler shift & Time delay |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 5. |
The parameters used to describe large scale fading are |
| A. | Reference distance |
| B. | Path loss exponent |
| C. | Standard deviation of random variable |
| D. | All of the mentioned |
| Answer» E. | |
| 6. |
Small scale fading manifests due to |
| A. | Signal dispersion |
| B. | Time variant behavior |
| C. | Signal dispersion & Time variant behavior |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 7. |
Small scale refers to changes in |
| A. | Amplitude |
| B. | Phase |
| C. | Amplitude & Phase |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 8. |
Large scale fading refers the attenuation in |
| A. | Amplitude |
| B. | Phase |
| C. | Signal power |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 9. |
Scintillation describes the fading caused by |
| A. | Atmospheric changes |
| B. | Physical changes |
| C. | Thermal noise |
| D. | Propagating effects |
| Answer» C. Thermal noise | |
| 10. |
The received power is attenuated by a factor called |
| A. | Path loss |
| B. | Free space loss |
| C. | Path & Free space loss |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 11. |
What is the source for performance degradation? |
| A. | Thermal noise |
| B. | Man made noise |
| C. | Natural noise |
| D. | All of the mentioned |
| Answer» E. | |