CS601 Final Term MCQs by Sparrows

CS601 by Sparrow · Final Term · Fall 2021-2022

1. Radio wave transmission utilizes ___________ different types of propagation.

•  Two
•  Three
•  Four
•  Five

2. Analog refers to something that is continuous in ___________.

•  Time
•  Space
•  Frequency

3. A sine wave is ___________.

•  Periodic and discrete
•  Aperiodic and discrete

 Periodic and continuous

•  Aperiodic and continuous

4. In frequency shift keying, ________ remain(s) constant.

•  Frequency
•  Amplitude
•  Both Amplitude and Phase

 Both Phase and Frequency

5. Quantization is a method of assigning ________ values in a specific range to sampled instances.

•  Negative
•  Positive
•  Binary

 Integral

6. Ethernet Address is of-----------------bytes

•  4
•  6
•  8
•  12

7. In ________________, a station monitors the medium after it sends a frame to see if the transmission was successful.

•  CSMA
•  None of Given

 CSMA/CA

Q8. POTS stand for_____?

 Plain Old Telephone System

•  Plain Old Telephone Services

9. Like Data link layer, ___________ is also responsible for Flow control.

 Transport Layer

•  Session Layer

Q10. What was the main draw back in ALOHA Random-Access method?

•  Redundancy in Data
•  Potential Collision
•  Inconsistent Data rate

 All of the given

11. DB is negative if a signal is ___________.

 Attenuated

•  Distorted
•  Amplified
•  Noisy

12. Central Hub in a Tree is an ___________.

 Active hub

•  Passive hub

13. At the Application layer, object/information is in the form of ________.

•  Message

 Packet

•  Segment
•  Frame

14. _______ uses fiber-optic cable

 10base-F

15. The transmission medium that carries the message is referred to as the

•  Send and receive device

 Communication channel

•  Protocol
•  Gateways

16. Latency is made of ________ components.

•  Two
•  Three
•  Four
•  Five

17. Analog to Analog Conversion Methods include ___________.

 AM, PM and FM

•  AM, FSK and PM
•  AM, PM and QAM

18. ________ is the rate of change with respect to time.

•  Voltage
•  Time
•  Frequency

 Amplitude

19. The Internet is ___________.

•  Software for sending e-mail around the world