MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Cognitive Radio knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which among the following institutions were involved in identifying the changes in Spectrum regulation? |
| A. | Government Accountability Office |
| B. | Defence Science Board |
| C. | Toffler associates |
| D. | Federal Communication Commission |
| Answer» E. | |
| 2. |
Center of Strategic and International Studies proposed a shift from the reactive spectrum management model to a proactive spectrum policy. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Which among the following is a policy challenge of the mobile transmitter, fixed receiver configuration? |
| A. | Conflict between the required amount of frequency by the radio system and frequency used |
| B. | Determination of transmission power |
| C. | Conflict between transmitter and receiver on encoding scheme |
| D. | Determination of the location of the transmitter |
| Answer» B. Determination of transmission power | |
| 4. |
Which among the following is necessary to ensure operation free of interference? |
| A. | Maximum data rate |
| B. | Maximum coverage area |
| C. | Minimum distance of operation |
| D. | Minimum transmission power |
| Answer» D. Minimum transmission power | |
| 5. |
Which among the following configuration include the private land mobile radio? |
| A. | Fixed transmitter, mobile receiver |
| B. | Mobile transmitter, mobile receiver |
| C. | Fixed transmitter, fixed receiver |
| D. | Mobile transmitter, fixed receiver |
| Answer» C. Fixed transmitter, fixed receiver | |
| 6. |
Which among the following is a policy challenge for radio astronomy systems? |
| A. | Determination reception parameters to avoid interference |
| B. | Determination of the location of the fixed receiver |
| C. | Determination of transmission power |
| D. | Determination of operation frequency |
| Answer» C. Determination of transmission power | |
| 7. |
Which among the following configurations include radio astronomy services? |
| A. | Fixed transmitter, mobile receiver |
| B. | Mobile transmitter, mobile receiver |
| C. | Fixed transmitter, fixed receiver |
| D. | Mobile transmitter, fixed receiver |
| Answer» D. Mobile transmitter, fixed receiver | |
| 8. |
What device characteristic is necessary for the mobile transmitter, fixed receiver configuration? |
| A. | Sensitive transmitter |
| B. | Sensitive receiver |
| C. | Sensitive analog to digital converter |
| D. | Sensitive digital to analog converter |
| Answer» C. Sensitive analog to digital converter | |
| 9. |
Which among the following is true about passive sensing configuration? |
| A. | Transmitter location is unknown |
| B. | Receiver location is unknown |
| C. | Base station location is unknown |
| D. | Operational area is unknown |
| Answer» E. | |
| 10. |
Which among the following would result in increased out-of-band rejection at receivers while broadcasting? |
| A. | Periodic transmissions |
| B. | Increased transmission power |
| C. | Frequency reuse |
| D. | Close band spacing between stations |
| Answer» E. | |
| 11. |
Which among the following is a policy challenge for the fixed transmitter, mobile receiver configuration? |
| A. | Determining transmission parameters to avoid interference |
| B. | Determining reception parameters to avoid interference |
| C. | Determining the distance of propagation to avoid interference |
| D. | Determining coverage area to avoid interference |
| Answer» B. Determining reception parameters to avoid interference | |
| 12. |
Which among the following do not belong to the fixed transmitter, mobile receiver configuration? |
| A. | Broadcasting |
| B. | Radio position determination |
| C. | Radio astronomy |
| D. | Standard time signal services |
| Answer» D. Standard time signal services | |