Wireless Interview Questions - 3 | Snaprecruit.com

Wireless Interview Questions - 3 | Snaprecruit.com

Wireless interview questions part 3

Wireless interview questions part 3

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Total Questions: 20

1. An FM detector with built-in limiting is

Correct Answer is : A ratio detector.

2. In which mode of PM does the peak power level of the pulses vary?

Correct Answer is : PAM

3. A continuously variable signal (such as music audio) can be recovered from a signal havingonly a few discrete levels or states by means of

Correct Answer is : A D/A converter.

4. In which mode are signals intertwined in the time domain at the transmitter, and thenseparated again at the receiver?

Correct Answer is : None of the above

5. Which of the following modes can be demodulated with an envelope detector?

Correct Answer is : AM

6. The bandwidth of a fax signal is kept narrow by

Correct Answer is : Sending the data at a slow rate of speed.

7. The dynamic range in a superhet is largely influenced by the performance of the

Correct Answer is : Front end.

8. Frequency sweeping can be used to get a transmitter to produce

Correct Answer is : Spread-spectrum signals.

9. Fill in the blank to make the following sentence true: “The reception of can beimproved by the use of DSP.”

Correct Answer is : Any of the above

10. Identify the bandwidth and frequency of 802.11b

Correct Answer is : 11 Mbps

11. Identify the bandwidth and frequency of 802.11a

Correct Answer is : 54 Mbps

12. Identify the bandwidth and frequency of 802.11n

Correct Answer is : 540 Mbps

13. Identify the bandwidth and frequency of 802.11g

Correct Answer is : 54 Mbps

14. 802.11a range:

Correct Answer is : 45.7m

15. 802.11g range:

Correct Answer is : 91m

16. 802.11b range

Correct Answer is : 91m

17. 802.11n range:

Correct Answer is : 250m

18. 802.11a is interoperable with 802.11b, 802.11g, and 802.11n.

Correct Answer is : FALSE

19. 802.11n is interoperable with 802.11b and 802.11g.

Correct Answer is : TRUE

20. 802.11g is not interoperable with 802.11b.

Correct Answer is : FALSE

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