Explore topic-wise MCQs in Cognitive Radio.

This section includes 11 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.

Continuous spectrum granting beacon is a spectrum sensing technique.

A. True
B. False
Answer» C.
2.

____ routing involves broadcasting ____ for routing.

A. Proactive, search packets
B. Reactive, search packets
C. Proactive, routing table
D. Reactive, routing table
Answer» C. Proactive, routing table
3.

Cognitive radio requires ____ to interpret multiple rules and policies simultaneously.

A. interpretation capability
B. intuitive capability
C. interference capability
D. inference capability
Answer» E.
4.

A policy must be verified by ____ for certification.

A. policy scalability engine
B. policy performance engine
C. policy interpretation engine
D. policy examination engine
Answer» D. policy examination engine
5.

____ are spectrum bands that exist between channels to minimize interference.

A. White noise
B. White space
C. Empty noise
D. Empty space
Answer» C. Empty noise
6.

Which among the following is not a recommendation of Spectrum Policy Task Force?

A. Radio spectrum interference tolerance
B. Quantity spectrum use
C. Regulatory models for licensed and unlicensed users
D. Single regulatory model
Answer» E.
7.

The ____ encourages that license holders in exclusive management policy bands be allowed to sublease their spectrum.

A. Spectrum Policy Testing Facility
B. Strategic Policy Testing Facility
C. Spectrum Policy Task Force
D. Strategic Policy Task Force
Answer» D. Strategic Policy Task Force
8.

A radio which enters into vibration mode autonomously is ____

A. environment aware
B. self aware
C. spatially aware
D. spectrum aware
Answer» D. spectrum aware
9.

Atomic clocks have a stability of ____

A. 10<sup>-5</sup>
B. 10<sup>-8</sup>
C. 10<sup>-10</sup>
D. 10<sup>-11</sup>
Answer» E.
10.

____ in a radio system can be used to keep track of time of the day.

A. Local oscillator
B. Source
C. Filter
D. Amplifier
Answer» B. Source
11.

Which among the following does not have significant use for time of day information?

A. Policy monitoring
B. Global positioning system
C. Geo-location
D. Frequency division multiplexing
Answer» E.