Wireless and Mobile Communications Mock Test 3

10%

Question 1 of 10

1. Free space propagation model is to predict ______

Received signal strength

Gain of transmitter

Transmitted power

Gain of receiver

Question 1 of 10

Question 2 of 10

2. EIRP is abbreviated as __________

Effective isotropic radio power

Effective and immediate radiated power

Effective and immediate ratio of power

Effective isotropic radiated power

Question 2 of 10

Question 3 of 10

3. Which of the following is not a practical path loss estimation technique?

Hata model

Determination of percentage of coverage area

Log distance path loss model

Log normal shadowing

Question 3 of 10

Question 4 of 10

4. Which of the following is the major disadvantage of the Okumura model?

Not practical

Complex

Inaccurate

Slow response to rapid change in terrain

Question 4 of 10

Question 5 of 10

5. What is the dimension of object as compared to wavelength of propagating wave when reflection occurs?

Small

Very small

Large

Same

Question 5 of 10

Question 6 of 10

6. Fraunhofer distance is given by _____

2D/λ

2D/λ2

2D2/λ

D/λ

Question 6 of 10

Question 7 of 10

7. Longley Rice model’s merit is to provide corrections due to environmental factors.

True

False

Question 7 of 10

Question 8 of 10

8. What is a measure of the maximum frequency difference for which signals are strongly correlated in amplitude?

Narrow bandwidth

Wide bandwidth

Coherence bandwidth

Incoherent bandwidth

Question 8 of 10

Question 9 of 10

9. Doppler shift is positive if mobile is moving away from direction of arrival of the wave.

True

False

Question 9 of 10

Question 10 of 10

10. Partitions that can be moved are called _______

Hard partitions

Disk partition

Soft partitions

Dynamic partition

Question 10 of 10