MCQOPTIONS
Saved Bookmarks
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 method is represented in the following diagram? |
| A. | Non-handoff |
| B. | Proactive handoff |
| C. | Reactive handoff |
| D. | Hybrid handoffView Answer |
| Answer» E. | |
| 2. |
Prediction of availability of channels can mitigate sensing delay. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
What is intra-cell/inter-pool handoff? |
| A. | Same spectrum pool and same base-station |
| B. | Same spectrum pool and different base-station |
| C. | Different spectrum pool and different base-station |
| D. | Different spectrum pool and same base-station |
| Answer» E. | |
| 4. |
What is the terminology used for a handoff between spectrum bands without changing the current base station? |
| A. | Intra-cell/Intra-pool handoff |
| B. | Inter-cell/Intra-pool handoff |
| C. | Inter-cell/inter-pool handoff |
| D. | Intra-cell/inter-pool handoff |
| Answer» B. Inter-cell/Intra-pool handoff | |
| 5. |
Which among the following is integrated in IEEE 802.22 Wireless Regional Area Network? |
| A. | Route decision model |
| B. | Back up channel list |
| C. | Interference floor |
| D. | Spectrum decision model |
| Answer» C. Interference floor | |
| 6. |
What is link maintenance probability? |
| A. | Link maintenance probability is the measure of duration of transmission before handoff |
| B. | Link maintenance probability is the measure of sustenance of transmission during handoff |
| C. | Link maintenance probability is the measure of duration to find back-up channels |
| D. | Link maintenance probability is the measure of the strength of link during transmission |
| Answer» C. Link maintenance probability is the measure of duration to find back-up channels | |
| 7. |
Which among the following is the basic unit of spectrum pool? |
| A. | Contiguous licensed spectrum band |
| B. | Non-contiguous licensed spectrum band |
| C. | Contiguous unlicensed spectrum band |
| D. | Contiguous licensed spectrum band |
| Answer» B. Non-contiguous licensed spectrum band | |
| 8. |
Which among the following is an essential feature of spectrum mobility in FTP communication? |
| A. | Storage of packets |
| B. | Authentication |
| C. | Encryption |
| D. | Data recovery |
| Answer» B. Authentication | |
| 9. |
Which among the following is a concern of a primary user? |
| A. | Link maintenance probability |
| B. | Number of handoff |
| C. | Handoff latency |
| D. | Effective data rate |
| Answer» D. Effective data rate | |
| 10. |
What are the units of spectrum mobility? |
| A. | Spectrum sensing and spectrum sharing |
| B. | Spectrum handoff and spectrum management |
| C. | Connection management and spectrum management |
| D. | Spectrum handoff and connection management |
| Answer» E. | |
| 11. |
Which among the following statements is false? |
| A. | Arrival of primary user triggers handoff |
| B. | Primary user communication is of high priority |
| C. | Secondary user can occupy licensed spectrum band until completion of communication |
| D. | Secondary user moving in a band should not interrupt primary user communication |
| Answer» D. Secondary user moving in a band should not interrupt primary user communication | |
| 12. |
What is spectrum mobility? |
| A. | Spectrum mobility involves seamless channel switchover |
| B. | Spectrum mobility involves sharing spectrum information among secondary users |
| C. | Spectrum mobility involves managing spectrum sensing and spectrum sharing |
| D. | Spectrum mobility involves sharing spectrum information between secondary users and xG base station |
| Answer» B. Spectrum mobility involves sharing spectrum information among secondary users | |