Q. ____ proposes the presence of secondary users for improved spectral efficiency.

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Q. ____ gives available and unavailable spectrum frequency.

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Q. The secondary user intentionally senses surrounding environment in ____

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Q. ____ involve the measurement of distinctive features to label and describe individuals.

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Q. Which among the following is not a behavioural biometric identifier?

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Q. Which among the following is not a characteristic of biometric?

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Q. During ____, the biometric of an individual is captured and stored.

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Q. The first step in verification mode is to ____ users.

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Q. Triangulation may be used for geo-location.

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Q. Spectrum awareness prevents hidden node problem.

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

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

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Q. Atomic clocks have a stability of ____

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Q. A radio which enters into vibration mode autonomously is ____

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

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

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

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Q. A policy must be verified by ____ for certification.

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

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Q. ____ routing involves broadcasting ____ for routing.

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