CS601 Quiz Set 4

Composed By Amir · Cs601 quiz 1 +midterm preparation · 60+ most important quiz

1. Uni polar Polar and Bipolar are types of _____ coding scheme. Line…confirm
2. In ___ scheme the voltages are on both sides of the time axis and voltage level for 0 can be positive

ant the voltage level for 1 can be negative. Polar….confirm

3. In _______ transmission medium start and stop bits are used Asynchronous….confirm from net
4. In layered architecture of network logical connection between layers means.

They are connected in peers…..confirm

5. OSI stands for _______.

Open system interconnection….confirm

6. Quadrature Amplitude Modulation is the mechanism of ______conversion.

Digital to analog…confirm

7. Writing used for transmission modes depends upon ______. Data stream…confirm
8. The maximum bandwidth required for QAM transmission is the same as that required for _ and

_______ transmission. ASK, PSK

9. In optical fiber cable the ratio of the diameter of their core to the diameter of their cladding, both

expressed in ______. Micrometers…confirm

10. Radio waves are propagated in _____ whenever they are transmitted by an antenna.

All direction …confirm from net

11. _______component of data communication governs the overall communication on the network.

Transmission medium…confirm

12. In binary ASK, the peak amplitude of one signal level is 0 and the other is the same as the

Amplitude

13. In _______ scheme, all the signal levels are on one side of the time axis, either above or below.

Unipolar…confirm from net

14. Simple sine wave can be used to send.

Amplitude

15. Paging system in data communication uses _______ waves.

Radio waves…confirm from net

16. Multipoint channel can be shared in _____ manner.

Both temporal and spartial…confirm

17. ________ is an example of multipoint topology

Bus…confirm

18. Bandwidth can be measured in __________.

Bps…confirm

19. In____encoding scheme, we use three levels positive negative and zero

Bipolar…confirm from net

20. The communication of the application, transport and network layer is _____

Physical…confirm

21. Frames travel in ______ layer of TCP/IP Protocol suite.

Data link

22. Manchester encoding scheme achieves the same level of synchronization as __________.

RZ…..confirm

23. In Manchester and differential Manchester encoding schemes, the signal rate is ______ than that of

NRZ. Double…confirm from net