MCQOPTIONS
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MCQOPTIONS
This section includes 13 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 ____, radio access technologies use the same frequency band. |
| A. | network centric approach |
| B. | spectrum sharing |
| C. | spectrum sensing |
| D. | RF band centric approach |
| Answer» C. spectrum sensing | |
| 2. |
Heterogeneous cognitive radio is a ____ centric approach. |
| A. | security |
| B. | RF band |
| C. | network |
| D. | environment |
| Answer» D. environment | |
| 3. |
Cognitive pilot channel is used ____ |
| A. | to obtain knowledge |
| B. | for geo-location |
| C. | for database access |
| D. | for spectrum sensing |
| Answer» B. for geo-location | |
| 4. |
Adaptive radio can experiment new settings. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Which among the following is not listed under cognitive capability? |
| A. | Knowledge on operational environment |
| B. | Adjustment of operational parameters |
| C. | Knowledge on geographical environment |
| D. | Establishment of policies |
| Answer» C. Knowledge on geographical environment | |
| 6. |
Bands are allocated to radio access technology ____ in such a way that ____ is ____ |
| A. | dynamically, capacity, minimized |
| B. | statically, interference, minimized |
| C. | dynamically, capacity, maximized |
| D. | statically, interference, maximized |
| Answer» D. statically, interference, maximized | |
| 7. |
Cognitive radio includes ____ |
| A. | heterogeneous infrastructure |
| B. | asymmetrical infrastructure |
| C. | equivalence infrastructure |
| D. | symmetrical infrastructure |
| Answer» B. asymmetrical infrastructure | |
| 8. |
Which among the following is a quality not available in a software capable radio? |
| A. | Frequency hopping |
| B. | Networking capability |
| C. | Link establishment |
| D. | Programmable cryptography |
| Answer» C. Link establishment | |
| 9. |
Which among the following allows quality of service measurement? |
| A. | Software capable radio |
| B. | Software programmable radio |
| C. | Software defined radio |
| D. | Aware radio |
| Answer» E. | |
| 10. |
_________ regulations can be made in policy driven approach. |
| A. | Material variant |
| B. | Size variant |
| C. | Temperature variant |
| D. | Spatially variant |
| Answer» E. | |
| 11. |
The ____ property allows elimination of a policy upon producing undesirable results. |
| A. | evaluate |
| B. | examine |
| C. | try out |
| D. | permanent |
| Answer» D. permanent | |
| 12. |
Cognitive radio requires ____ to lower the impact in case of malfunction. |
| A. | diodes |
| B. | regulators |
| C. | PID controllers |
| D. | bridges |
| Answer» C. PID controllers | |
| 13. |
____ are used to interact with the environment. |
| A. | Sensors |
| B. | Actuators |
| C. | Structure models |
| D. | Memory |
| Answer» C. Structure models | |