Cognitive Radio Practice Test 10

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

Radio environment map merges into the core of cognitive radio architecture

Radio environment map is compatible with hybrid node technology

Radio environment map introduces network intelligence

Radio environment map is dependent on network topology

2. Which among the following techniques were employed for the identification of pairs in LORAN stations?

Encoding scheme

Modulation technique

Phase comparison between signals

Pulse repetition frequency

3. What is called declarative knowledge?

Declarative knowledge asserts and reasons over descriptive factual knowledge

Declarative knowledge represents predicted knowledge

Declarative knowledge represents assumed statements

Declarative knowledge represents a range of values applicable for assigning a variable

4. Which among the following are sources for constructing an IP database?

Data mining

Regional Internet registry

Data scrubbing

Network routing information

5. Which among the following is the maximum limit on one way delay for normal conversation?

400

450

500

300

6. Which among the following is an advantage of spectrum sensing with radio environment map?

High sensitivity

Reduction in observation time

High dynamic range

Low transmission power

7. Which among the following is not a common feature between the time of arrival and time difference of arrival?

Straight-line of sight

High resolution system clock

Shape of curve

Propagation at speed of light

8. Which among the following plays the role of a policy decision point in KAoS?

Spectrum broker

Resource administrator

Priority manager

Domain manager

9. Which among the following learning methods does not involve explicit planning?

Channel based

Adaptive

Reactive

Network based

10. Which among the following is an essential for the time of arrival approach?

Time tag the transmitted signal

Time tag and frequency tag the transmitted signal

Time tag and phase tag the transmitted signal

Phase tag the transmitted signal