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. |
Which among the following combination of layers can be used to improve blockage control? |
| A. | Physical-Datalink |
| B. | Datalink network |
| C. | Physical-Transport layer |
| D. | Datalink- Transport layer |
| Answer» D. Datalink- Transport layer | |
| 2. |
Which among the following is not a function of the MAC layer in cognitive radio? |
| A. | Manage accessibility of assets |
| B. | Change client configuration |
| C. | Change density of design |
| D. | Choose multiple access techniques |
| Answer» E. | |
| 3. |
Which layer performs adaptive modulation and coding? |
| A. | Network layer |
| B. | Transport layer |
| C. | Physical layer |
| D. | Data link layer |
| Answer» D. Data link layer | |
| 4. |
Which among the following is not an advantage of employing cross-layer design implementation? |
| A. | High accuracy of computation results required in algorithms |
| B. | Elimination of wasteful calculations |
| C. | High quality of service |
| D. | Better performance during spectrum handoff |
| Answer» E. | |
| 5. |
Which among the following is not an expected result of cross-layer design? |
| A. | High end to end throughput |
| B. | Reduced network capacity |
| C. | Reduced interference |
| D. | Reduced power consumption |
| Answer» C. Reduced interference | |
| 6. |
Which among the following is a building unit of cross-layer hub? |
| A. | Cross-layer intra hub module |
| B. | Cross-layer interface |
| C. | Cross-layer scheduler |
| D. | Cross-layer director |
| Answer» B. Cross-layer interface | |
| 7. |
Which among the following is not a design methodology in the implementation of cross-layer design? |
| A. | Exchange of information among several layers during run time |
| B. | Storage of information in different storage structures |
| C. | Construction of mutual database with easy access for each layer in the protocol stack |
| D. | Construction of channel models to estimate the propagation of a signal in the channel environment |
| Answer» E. | |
| 8. |
Which among the following cannot be achieved by creating a mutual database? |
| A. | Administration of capacity |
| B. | Recovery of data |
| C. | Rapid access to data by every layer |
| D. | Limited resource usage |
| Answer» E. | |
| 9. |
Which among the following statements is false about cross-layer design? |
| A. | High quality of service can be provided by exchanging information among all layers of the protocol stack |
| B. | Diverse waveforms are employed for power and modulation process |
| C. | Cross-layer design helps to eliminate channel variations caused by blurring |
| D. | Cross-layer design makes channel connections unpredictable |
| Answer» E. | |
| 10. |
What is cross-layer design? |
| A. | Cross-layer design allows non adjacent layers to exchange information which are traditionally relevant to a layer itself |
| B. | Cross-layer design allows only adjacent layers to exchange information with each other |
| C. | Cross-layer design provides control of lower layer functions to the upper layer functions |
| D. | Cross-layer design provides control of upper layer functions to the lower layer functions |
| Answer» B. Cross-layer design allows only adjacent layers to exchange information with each other | |