Cognitive Radio Mock Test 6

10%

Question 1 of 10

1. When does a cognitive radio give up control of application?

Bad weather conditions

Long period without input from user

High traffic load

On receiving pre-emptive command from user

Question 1 of 10

Question 2 of 10

2. Which ontologies must work together for seamless user interaction experience?

Question 2 of 10

Question 3 of 10

3. Which among the following gives the definition of fuzzy logic?

Fuzzy logic follows Boolean logic where zero stands for true and one stands for false

Fuzzy logic follows Boolean logic where zero stands for false and one stands for true

Fuzzy logic allows the assignment of any whole number from zero to one to variables

Fuzzy logic allows the assignment of any real number from zero to one to variables

Question 3 of 10

Question 4 of 10

4. Which among the following categories include an accelerometer?

Local effectors

Global effectors

User interface sensors

Environmental sensors

Question 4 of 10

Question 5 of 10

5. Expert system is a computer system capable of resolving _____ problems.

decision making

storage

transfer

recognition

Question 5 of 10

Question 6 of 10

6. What does the term “hidden” refer to in hidden Markov model technique?

Sate sequence

Parameters of model

Parameters of input

Fixed standards of model

Question 6 of 10

Question 7 of 10

7. Which among the following methods may be used to estimate interference in cognitive radio?

Model the user behaviour

Model the radio

Model the propagation of signal

Model the channel

Question 7 of 10

Question 8 of 10

8. Which among the following is considered as disadvantage of expert system?

Fast prototyping

Maintenance

Knowledge acquisition

Development process

Question 8 of 10

Question 9 of 10

9. Which among the following functions control the environmental sensors?

Local effector function

Perception function

User SP function

Cognition function

Question 9 of 10

Question 10 of 10

10. What is the purpose of knowledge based system?

To explicitly describe knowledge

To develop languages

To accumulate large database

To recycle data

Question 10 of 10