Cognitive Radio Mock Test 9

10%

Question 1 of 10

1. Which among the following layers have a similar impact due to interference caused by primary user transmission?

Transport layer and Physical layer

Physical layer and MAC layer

MAC layer and network layer

Network layer and Transport layer

Question 1 of 10

Question 2 of 10

2. Which among the following does not cause performance degradation on TCP level?

Admission control

Packet loss

Link error

Access delay

Question 2 of 10

Question 3 of 10

3. What is the purpose of Spectrum Sharing Innovation Test Bed?

Spectrum Sharing Innovation Test Bed sets aside a portion of the spectrum for testing

Spectrum Sharing Innovation TestBed determines terrain suitable for testing

Spectrum Sharing Innovation TestBed creates environment models for testing

Spectrum Sharing Innovation TestBed constructs conditioned chambers for testing

Question 3 of 10

Question 4 of 10

4. Which among the following is a building unit of cross-layer hub?

Cross-layer intra hub module

Cross-layer scheduler

Cross-layer director

Cross-layer interface

Question 4 of 10

Question 5 of 10

5. Which among the following is not a challenge for spectrum sensing?

Energy consumption

Continuous sensing of spectrum

Switching between sensing and transmission

Limit sensing when a single radio is deployed

Question 5 of 10

Question 6 of 10

6. Which among the following instigated a review of spectrum policy at FCC?

Collaboration with the American National Standards Institute

Establishment of Spectrum Policy Task Force

Establishment of research consortium

Collaboration with Federal Aviation Administration

Question 6 of 10

Question 7 of 10

7. Which among the following is not a function of the MAC layer in cognitive radio?

Manage accessibility of assets

Change density of design

Change client configuration

Choose multiple access techniques

Question 7 of 10

Question 8 of 10

8. Center of Strategic and International Studies proposed a shift from the reactive spectrum management model to a proactive spectrum policy.

True

False

Question 8 of 10

Question 9 of 10

9. Which among the following is not a cross-layer design challenge associated with the lower layer of the protocol stack?

Interference mitigation

Energy consumption

Cooperative sensing

Topology configuration

Question 9 of 10

Question 10 of 10

10. Diffracted propagation undergoes attenuation at the rate of the third power of distance.

True

False

Question 10 of 10