CS601 Midterm Online Quiz

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CS601-Midterm

1 / 50

In 8QAM each signal shift or one baud represents __________

2 / 50

Set of rules that govern communication is called

3 / 50

Number of signal units per second that are required to represent a bit is called bit rate.

4 / 50

Line configuration refers to the way two or more devices attach to a ______.

5 / 50

The _______________ layer changes bits into electromagnetic signals.

6 / 50

Which one is not among standard creation committee.

7 / 50

Data chunk at data link layer is called

8 / 50

The __________ generates the data and passes it along with any control information to a ___________.

9 / 50

Analog to digital conversion is also termed as modulating an analog signal.

10 / 50

_________ requires more bandwidth.

11 / 50

A modulator converts a(n) ____________ signal to a(n) ____________ signal.

12 / 50

_____________ converts an analog signal into a digital signal.

13 / 50

A human brain is considered as a ___________

14 / 50

Data synchronization is a function related with ______

15 / 50

Data synchronization is a function related with ___________

16 / 50

A set of devices connected by communication links is called networking

17 / 50

Fourier transform tells us that any digital signal can be decomposed into infinite number of periodic signals

18 / 50

The internet model consists of layers.

19 / 50

Packet switching is a connection oriented service.

20 / 50

Fourier transform tells us that any digital signal can be decomposed into infinite number of periodic signals

21 / 50

OSI model was developed prior to TCP/IP model.

22 / 50

TCP/IP model Application layer incorporate OSI Application and presentation

23 / 50

Data link layer deals with mechanical and electrical specifications of transmission medium and interface

24 / 50

A 56k modem can download at a rate of __________ Kbps and upload at a rate of __________ Kbps.

25 / 50

Frequency band in which 99% of the total power resides is called_______

26 / 50

There are _____ possible variations of 16 QAM.

27 / 50

Which one best describes the given statement: "To allow multiple users to share total capacity of a transmission medium"

28 / 50

A sine wave must be an analog signal.

29 / 50

Effective network mean that the network has fast delivery, timeliness and

30 / 50

layer is the layer closest to the transmission medium.

31 / 50

OSI model was developed prior to TCP/IP model.

32 / 50

Frequency band in which 99% of the total power resides is called_______

33 / 50

Frequency band in which 99% of the total power resides is called_______

34 / 50

Effective network mean that the network has fast delivery, timeliness and

35 / 50

Which one best describes the given statement: "To allow multiple users to share total capacity of a transmission medium"

36 / 50

In Alternate mark inversion the term mark comes from_________

37 / 50

ASK, PSK, FSK and QAM are examples of ____ modulation.

38 / 50

Time domain plot show changes in signal phase with respect to time.

39 / 50

Amplitude in ASK is more resistive to EMI and Noise.

40 / 50

_________requires the maximum number of I/O ports.

41 / 50

Internet with small “i” specifies the world wide Network the actual internet.

42 / 50

requires the maximum number of I/O ports.

43 / 50

Which topology requires a central controller or hub?

44 / 50

Asynchronous transmission is ___________

45 / 50

DC component is also termed as Direct current component or a component with non-zero frequency.

46 / 50

The bit rate always equals the baud rate in which type of signal?

47 / 50

Bi phase encoding is a type of bipolar encoding in which we use two voltage levels.

48 / 50

Quantization means measuring amplitudes of signal at equal intervals.

49 / 50

At the ______________layer, a DCE takes data generated by a DTE.

50 / 50

In mesh topology, if there are five nodes then there will be links.

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