MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
In dynamic security implementation, there is an increase in the number of potential interaction that can lead to a violation. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
The concrete ____ of learning process is a challenge imposed by learning in cognitive radio. |
| A. | definition |
| B. | classification |
| C. | categorization |
| D. | manipulation |
| Answer» B. classification | |
| 3. |
Which among the following is not a challenge imposed by decision making in cognitive radio? |
| A. | Centralization |
| B. | Distribution |
| C. | Algorithms |
| D. | Wrong choices |
| Answer» E. | |
| 4. |
The ECC studied the operational requirements of cognitive radio in the range ____ |
| A. | 460 – 560 MHz |
| B. | 470 – 650 MHz |
| C. | 470 – 790 MHz |
| D. | 460 – 690 MHz |
| Answer» D. 460 – 690 MHz | |
| 5. |
TVWS stands for ____ |
| A. | Telephone Variable White Space |
| B. | Telephone Variable White Space |
| C. | Television Wide Space |
| D. | Television White Space |
| Answer» E. | |
| 6. |
Which among the following exhibit some amount of adaptive quality? |
| A. | Digital European Cordless Telephone |
| B. | Racal 25 |
| C. | Digital Modular Radio |
| D. | Position Location Reporting System |
| Answer» B. Racal 25 | |
| 7. |
An adaptive radio changes its intermediate frequency characteristics in accordance to ____ |
| A. | encryption method |
| B. | enciphering method |
| C. | network load |
| D. | channel characteristics |
| Answer» E. | |
| 8. |
A radio that supports ____ channel bandwidths is ____ |
| A. | joint, adaptive |
| B. | joint, not adaptive |
| C. | multiple, not adaptive |
| D. | multiple, adaptive |
| Answer» D. multiple, adaptive | |
| 9. |
____ spread spectrum is ____ when ___ is programmed. |
| A. | Frequency hopped, adaptive, hop |
| B. | Frequency hopped, not adaptive, hop |
| C. | Direct sequence, not adaptive, sequence |
| D. | Direct sequence, adaptive, hop |
| Answer» C. Direct sequence, not adaptive, sequence | |
| 10. |
Which among the following is an operating parameter which cannot be adapted? |
| A. | Frequency |
| B. | Instantaneous bandwidth |
| C. | Modulation schemes |
| D. | Environment |
| Answer» E. | |