CS601-Midterm
1 / 50
Set of rules that govern communication is called
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The last modified version of EIA-232 standard is ______________
3 / 50
Which topology requires a central controller or hub?
4 / 50
Asynchronous transmission is ___________
5 / 50
In transmission the timing of the signal is unimportant.
6 / 50
There are _____ possible variations of 16 QAM.
7 / 50
Frequency band in which 99% of the total power resides is called_______
8 / 50
Layers 5, 6 and 7 also called as network support layers.
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_________ requires more bandwidth.
10 / 50
F.M.In differential Manchester we require two transition or signal changes to represent binary_____
11 / 50
A sine wave must be an analog signal.
12 / 50
In mesh topology, if there are five nodes then there will be links.
13 / 50
DC component is also termed as Direct current component or a component with non-zero frequency.
14 / 50
Which is not an element of protocol
15 / 50
16 / 50
In transmission, a start bit and a stop bit frame a character byte.
17 / 50
requires the maximum number of I/O ports.
18 / 50
At the ______________layer, a DCE takes data generated by a DTE.
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The _______________ layer changes bits into electromagnetic signals.
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21 / 50
Data synchronization is a function related with ___________
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Data chunk at data link layer is called
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3dB is also called as power bandwidth.
24 / 50
In Alternate mark inversion the term mark comes from_________
25 / 50
Fourier transform tells us that any digital signal can be decomposed into infinite number of periodic signals
26 / 50
Non proprietary standard is also termed as de facto standard.
27 / 50
layer is the layer closest to the transmission medium.
28 / 50
TCP/IP model Application layer incorporate OSI Application and presentation
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OSI model was developed prior to TCP/IP model.
30 / 50
Data synchronization is a function related with ______
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32 / 50
ASK, PSK, FSK and QAM are examples of modulation.
33 / 50
Effective network mean that the network has fast delivery, timeliness and
34 / 50
Asynchronous transmission is
35 / 50
The internet model consists of layers.
36 / 50
In 8QAM each signal shift or one baud represents __________
37 / 50
38 / 50
A set of devices connected by communication links is called networking
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40 / 50
41 / 50
The internet model consists of _________ layers.
42 / 50
A human brain is considered as a ___________
43 / 50
Which one best describes the given statement: "To allow multiple users to share total capacity of a transmission medium"
44 / 50
The inversion of the level at 1 bit is called as __________
45 / 50
Time domain plot show changes in signal phase with respect to time.
46 / 50
is a multipoint topology.
47 / 50
PCM is the first process of PAM.
48 / 50
Line configuration refers to the way two or more devices attach to a ______.
49 / 50
Which one is not among standard creation committee.
50 / 50
The bit rate always equals the baud rate in which type of signal?
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