Explore topic-wise MCQs in Cognitive Radio.

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