Cognitive Radio Mock Test 2

10%

Question 1 of 10

1. The sampling rate of promising SDR technology ranges between _____

1 MHz – 100 MHz

1 MHz – 1 GHz

1 MHz – 10 GHz

10 MHz – 100 MHz

Question 1 of 10

Question 2 of 10

2. CORBA IDL is suitable for translating application layer request into a soft radio interface layer request.

False

True

Question 2 of 10

Question 3 of 10

3. Clipper Chip Key – Escrow involves using ____ for security.

four way key

eight way key

one way key

two way key

Question 3 of 10

Question 4 of 10

4. Which of the following is not a DSP core?

Motorola 56300

Motorola DSP56300

STEL-2000

TI TMS320/C54x

Question 4 of 10

Question 5 of 10

5. Which of the following is not a layer in the soft radio model proposed by Srikanteswara?

Configuration layer

Tunneling layer

Application layer

Processing layer

Question 5 of 10

Question 6 of 10

6. ____ technique exploits lack of coherence between desired signal and interference.

Adaptive spatial nulling

Multibeam arrays

Beamforming

Space-time adaptive processing

Question 6 of 10

Question 7 of 10

7. Which of the following is not a hardware module?

Workstation

DSP

Memory

Question 7 of 10

Question 8 of 10

8. _____ is the intersection of a thread with a processor.

Process

Link

Sub thread

Wire

Question 8 of 10

Question 9 of 10

9. The point at which the output noise power of the fundamental signal shifts away from the ideal output power by 1-dB is called 1-dB expansion point.

False

True

Question 9 of 10

Question 10 of 10

10. CELP stands for ____

Codebook Excited Linear Prediction

Cross-correlation Evolved Linear Processing

Cross-correlation Excited Linear Prediction

Codebook Evolved Linear Processing

Question 10 of 10