CS601-Midterm
1 / 50
Layers 5, 6 and 7 also called as network support layers.
2 / 50
The _______________ layer changes bits into electromagnetic signals.
3 / 50
Time domain plot show changes in signal phase with respect to time.
4 / 50
Effective network mean that the network has fast delivery, timeliness and
5 / 50
Data link layer deals with mechanical and electrical specifications of transmission medium and interface
6 / 50
The inversion of the level at 1 bit is called as __________
7 / 50
Analog to digital conversion is also termed as modulating an analog signal.
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9 / 50
ASK, PSK, FSK and QAM are examples of modulation.
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ASK, PSK, FSK and QAM are examples of ____ modulation.
11 / 50
The bit rate always equals the baud rate in which type of signal?
12 / 50
Which one is not among standard creation committee.
13 / 50
The internet model consists of _________ layers.
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15 / 50
Set of rules that govern communication is called
16 / 50
In 8QAM each signal shift or one baud represents __________
17 / 50
Which one best describes the given statement: "To allow multiple users to share total capacity of a transmission medium"
18 / 50
At the ______________layer, a DCE takes data generated by a DTE.
19 / 50
Line configuration refers to the way two or more devices attach to a .
20 / 50
_____________ converts an analog signal into a digital signal.
21 / 50
There are _____ possible variations of 16 QAM.
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The internet model consists of layers.
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Which is not an element of protocol
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OSI model was developed prior to TCP/IP model.
25 / 50
F.M.In differential Manchester we require two transition or signal changes to represent binary_____
26 / 50
Data synchronization is a function related with ______
27 / 50
A set of devices connected by communication links is called networking
28 / 50
A 56k modem can download at a rate of __________ Kbps and upload at a rate of __________ Kbps.
29 / 50
TCP/IP model Application layer incorporate OSI Application and presentation
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31 / 50
is a multipoint topology.
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representation of links that connect nodes is called as physical topology.
33 / 50
_________requires the maximum number of I/O ports.
34 / 50
Fourier transform tells us that any digital signal can be decomposed into infinite number of periodic signals
35 / 50
Unidirectional traffic movement is overcome by dual ring technology.
36 / 50
A modulator converts a(n) ____________ signal to a(n) ____________ signal.
37 / 50
Which topology requires a central controller or hub?
38 / 50
Amplitude in ASK is more resistive to EMI and Noise.
39 / 50
Asynchronous transmission is ___________
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_________ requires more bandwidth.
41 / 50
We need ____________ to decompose a composite signal into its components.
42 / 50
Number of signal units per second that are required to represent a bit is called bit rate.
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45 / 50
In mesh topology, if there are five nodes then there will be links.
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3dB is also called as power bandwidth.
47 / 50
layer is the layer closest to the transmission medium.
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49 / 50
The last modified version of EIA-232 standard is ______________
50 / 50
DC component is also termed as Direct current component or a component with non-zero frequency.
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