CS601-Midterm
1 / 50
Data synchronization is a function related with ______
2 / 50
is a multipoint topology.
3 / 50
Data link layer deals with mechanical and electrical specifications of transmission medium and interface
4 / 50
OSI model was developed prior to TCP/IP model.
5 / 50
Which topology requires a central controller or hub?
6 / 50
Effective network mean that the network has fast delivery, timeliness and
7 / 50
Frequency of a failure and network recovery time after a failure is measures of the ____________ of a network.
8 / 50
Analog to digital conversion is also termed as modulating an analog signal.
9 / 50
Number of signal units per second that are required to represent a bit is called bit rate.
10 / 50
3dB is also called as power bandwidth.
11 / 50
12 / 50
Fourier transform tells us that any digital signal can be decomposed into infinite number of periodic signals
13 / 50
We need ____________ to decompose a composite signal into its components.
14 / 50
requires the maximum number of I/O ports.
15 / 50
Frequency band in which 99% of the total power resides is called_______
16 / 50
Set of rules that govern communication is called
17 / 50
18 / 50
A sine wave must be an analog signal.
19 / 50
Time domain plot show changes in signal phase with respect to time.
20 / 50
_________requires the maximum number of I/O ports.
21 / 50
22 / 50
Amplitude in ASK is more resistive to EMI and Noise.
23 / 50
24 / 50
Internet with small “i” specifies the world wide Network the actual internet.
25 / 50
In transmission the timing of the signal is unimportant.
26 / 50
Layers 5, 6 and 7 also called as network support layers.
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28 / 50
Data chunk at data link layer is called
29 / 50
In Alternate mark inversion the term mark comes from_________
30 / 50
The bit rate always equals the baud rate in which type of signal?
31 / 50
DC component is also termed as Direct current component or a component with non-zero frequency.
32 / 50
Line configuration refers to the way two or more devices attach to a ______.
33 / 50
In mesh topology, if there are five nodes then there will be links.
34 / 50
Quantization means measuring amplitudes of signal at equal intervals.
35 / 50
Asynchronous transmission is ___________
36 / 50
37 / 50
38 / 50
Unidirectional traffic movement is overcome by dual ring technology.
39 / 50
Asynchronous transmission is
40 / 50
A modulator converts a(n) ____________ signal to a(n) ____________ signal.
41 / 50
PCM is the first process of PAM.
42 / 50
The __________ generates the data and passes it along with any control information to a ___________.
43 / 50
ASK, PSK, FSK and QAM are examples of modulation.
44 / 50
layer is the layer closest to the transmission medium.
45 / 50
A set of devices connected by communication links is called networking
46 / 50
The internet model consists of layers.
47 / 50
There are _____ possible variations of 16 QAM.
48 / 50
Which is not an element of protocol
49 / 50
A human brain is considered as a ___________
50 / 50
Bi phase encoding is a type of bipolar encoding in which we use two voltage levels.
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