CS601-Midterm
1 / 50
At the ______________layer, a DCE takes data generated by a DTE.
2 / 50
representation of links that connect nodes is called as physical topology.
3 / 50
_________ requires more bandwidth.
4 / 50
We need ____________ to decompose a composite signal into its components.
5 / 50
Number of signal units per second that are required to represent a bit is called bit rate.
6 / 50
The internet model consists of layers.
7 / 50
Non proprietary standard is also termed as de facto standard.
8 / 50
Quantization means measuring amplitudes of signal at equal intervals.
9 / 50
Which one best describes the given statement: "To allow multiple users to share total capacity of a transmission medium"
10 / 50
Data link layer deals with mechanical and electrical specifications of transmission medium and interface
11 / 50
The inversion of the level at 1 bit is called as __________
12 / 50
is a multipoint topology.
13 / 50
Which one is not among standard creation committee.
14 / 50
Data synchronization is a function related with ______
15 / 50
TCP/IP model Application layer incorporate OSI Application and presentation
16 / 50
Effective network mean that the network has fast delivery, timeliness and
17 / 50
3dB is also called as power bandwidth.
18 / 50
Fourier transform tells us that any digital signal can be decomposed into infinite number of periodic signals
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A sine wave must be an analog signal.
20 / 50
ASK, PSK, FSK and QAM are examples of modulation.
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_____________ converts an analog signal into a digital signal.
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A 56k modem can download at a rate of __________ Kbps and upload at a rate of __________ Kbps.
23 / 50
OSI model was developed prior to TCP/IP model.
24 / 50
Time domain plot show changes in signal phase with respect to time.
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26 / 50
Bi phase encoding is a type of bipolar encoding in which we use two voltage levels.
27 / 50
Line configuration refers to the way two or more devices attach to a .
28 / 50
Which topology requires a central controller or hub?
29 / 50
In transmission the timing of the signal is unimportant.
30 / 50
Line configuration refers to the way two or more devices attach to a ______.
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32 / 50
The last modified version of EIA-232 standard is ______________
33 / 50
34 / 50
A modulator converts a(n) ____________ signal to a(n) ____________ signal.
35 / 50
Layers 5, 6 and 7 also called as network support layers.
36 / 50
Set of rules that govern communication is called
37 / 50
In mesh topology, if there are five nodes then there will be links.
38 / 50
Asynchronous transmission is ___________
39 / 50
40 / 50
ASK, PSK, FSK and QAM are examples of ____ modulation.
41 / 50
Internet with small “i” specifies the world wide Network the actual internet.
42 / 50
In Alternate mark inversion the term mark comes from_________
43 / 50
The _______________ layer changes bits into electromagnetic signals.
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45 / 50
A set of devices connected by communication links is called networking
46 / 50
Frequency of a failure and network recovery time after a failure is measures of the ____________ of a network.
47 / 50
48 / 50
Data synchronization is a function related with ___________
49 / 50
There are _____ possible variations of 16 QAM.
50 / 50
Which is not an element of protocol
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