Practice Cognitive Radio Assessment Multiple Choice Questions with Answers Quiz-1 - MCQGeeks.com

Q.1.

Which among the following phenomenon require site specific propagation prediction?

a) Location awareness
b) Geographical awareness
c) RF environment
d) Position awareness

Q.2.

Which among the following is a common problem incorporated by a channel on cognitive radios?

a) Switching delay
b) Transmitter uncertainty
c) Doppler shift
d) Receiver uncertainty

Q.3.

Which among the following is an approach that can be applied to overcome the effect of channel fading?

a) Discarding particular channel from use
b) Transmission and reception during fixed time slots
c) Selection of appropriate waveform
d) Compromising quality of service

Q.4.

Which among the following problems could be overcome by spreading gain?

a) Delay due to fading
b) Delay due to multipath
c) Call drop due to multipath
d) Call drop due to fading

Q.5.

Which among the following is termed as a local radio environment map?

a) Wide area network level
b) Hop to hop level
c) User equipment terminal
d) Local area network level

Q.6.

Which among the following statements is false about the radio environment map on a network level?

a) Radio environment map is compatible with hybrid node technology
b) Radio environment map introduces network intelligence
c) Radio environment map merges into the core of cognitive radio architecture
d) Radio environment map is dependent on network topology

Q.7.

Which among the following statements is false about the introduction of a cognitive radio in a wireless regional area network?

a) Availability of spectrum access information to the secondary user
b) Availability of spectrum access information to the primary user
c) Knowledge of antenna height
d) Usage pattern of wireless regional area network

Q.8.

Which among the following require radio transceiver database?

a) RF environment awareness
b) Location awareness
c) Power consumption awareness
d) Energy consumption awareness

Q.9.

Which among the following techniques require geographic information database?

a) Policy awareness
b) Regulation awareness
c) Mobility and trajectory awareness
d) Background environment awareness

Q.10.

Which among the following options should replace the labels ‘A’ and ‘B’ in the model implementation of radio environment map?

a) Learning, Local/Global radio environment map, Awareness, Decision
b) Learning, Awareness, Local/Global radio environment map, Decision
c) Awareness, Learning, Decision, Local/Global radio environment map
d) Awareness, Local/Global radio environment map, learning, decision