MCQOPTIONS
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MCQOPTIONS
This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Wireless Mobile Communications knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is a drawback of UWB technology? |
| A. | Not appropriate for WAN |
| B. | Power limited |
| C. | Small spectrum |
| D. | Limited jitter requirements |
| Answer» E. | |
| 2. |
UWB systems are very complex, since they use radio frequency/intermediate frequency conversion stages. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
UWB technology supports low bit rate and low speed. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
The coherent interaction of signals in UWB arriving by many paths causes ____________ |
| A. | Ricean fading |
| B. | Nakagami fading |
| C. | Rayleigh fading |
| D. | Multicast fading |
| Answer» D. Multicast fading | |
| 5. |
In TM–UWB, the system uses a modulation technique called _______ |
| A. | Pulse width modulation |
| B. | Pulse code modulation |
| C. | Pulse position modulation |
| D. | Pulse amplitude modulation |
| Answer» D. Pulse amplitude modulation | |
| 6. |
The basic element in DSC–UWB technology is the monocycle wavelet. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
UWB operates across narrow bandwidth. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
UWB_SYSTEMS_ARE_VERY_COMPLEX,_SINCE_THEY_USE_RADIO_FREQUENCY/INTERMEDIATE_FREQUENCY_CONVERSION_STAGES._STATE_WHETHER_TRUE_OR_FALSE.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Which of the following is not a drawback of UWB technology?$ |
| A. | Not appropriate for WAN |
| B. | Power limited |
| C. | Small spectrum |
| D. | Limited jitter requirements |
| Answer» E. | |
| 10. |
Which of the following is not true for UWB? |
| A. | Large spectrum |
| B. | Lower price |
| C. | Pulse data |
| D. | Large interference |
| Answer» E. | |
| 11. |
UWB technology supports low bit rate and low speed. State whether True or False. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
The coherent interaction of signals in UWB arriving by many paths causes ______ |
| A. | Ricean fading |
| B. | Nakagami fading |
| C. | Rayleigh fading |
| D. | Multicast fading |
| Answer» D. Multicast fading | |
| 13. |
DSC-UWB uses _________ |
| A. | Pulse width modulation |
| B. | Pulse code modulation |
| C. | Pulse position modulation |
| D. | Direct sequence modulation |
| Answer» E. | |
| 14. |
In TM–UWB, the system uses a modulation technique called _______$ |
| A. | Pulse width modulation |
| B. | Pulse code modulation |
| C. | Pulse position modulation |
| D. | Pulse amplitude modulation |
| Answer» D. Pulse amplitude modulation | |
| 15. |
The basic element in DSC–UWB technology is the monocycle wavelet.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 16. |
UWB operates across narrow bandwidth. State whether True or False. |
| A. | True |
| B. | False |
| Answer» C. | |
| 17. |
_________ also known as impulse or zero-carrier radio technology. |
| A. | Ultra wideband technology |
| B. | Femtocell technology |
| C. | Multicasting |
| D. | Multiplexing |
| Answer» B. Femtocell technology | |