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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. |
Prediction of availability of channels can mitigate sensing delay. |
A. | True |
B. | False |
Answer» B. False | |
2. |
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. | |
3. |
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 | |
4. |
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 | |
5. |
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 | |
6. |
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 | |
7. |
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 | |
8. |
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 | |
9. |
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. | |
10. |
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 | |