CS601-Midterm
1 / 50
Effective network mean that the network has fast delivery, timeliness and
2 / 50
Data synchronization is a function related with ______
3 / 50
4 / 50
Time domain plot show changes in signal phase with respect to time.
5 / 50
Layers 5, 6 and 7 also called as network support layers.
6 / 50
Frequency band in which 99% of the total power resides is called_______
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8 / 50
representation of links that connect nodes is called as physical topology.
9 / 50
Which one best describes the given statement: "To allow multiple users to share total capacity of a transmission medium"
10 / 50
Non proprietary standard is also termed as de facto standard.
11 / 50
A modulator converts a(n) ____________ signal to a(n) ____________ signal.
12 / 50
The bit rate always equals the baud rate in which type of signal?
13 / 50
There are _____ possible variations of 16 QAM.
14 / 50
In 8QAM each signal shift or one baud represents __________
15 / 50
_________requires the maximum number of I/O ports.
16 / 50
Data link layer deals with mechanical and electrical specifications of transmission medium and interface
17 / 50
Which topology requires a central controller or hub?
18 / 50
OSI model was developed prior to TCP/IP model.
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Unidirectional traffic movement is overcome by dual ring technology.
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21 / 50
Packet switching is a connection oriented service.
22 / 50
Quantization means measuring amplitudes of signal at equal intervals.
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requires the maximum number of I/O ports.
24 / 50
The __________ generates the data and passes it along with any control information to a ___________.
25 / 50
ASK, PSK, FSK and QAM are examples of ____ modulation.
26 / 50
PCM is the first process of PAM.
27 / 50
A 56k modem can download at a rate of __________ Kbps and upload at a rate of __________ Kbps.
28 / 50
Line configuration refers to the way two or more devices attach to a .
29 / 50
Analog to digital conversion is also termed as modulating an analog signal.
30 / 50
A sine wave must be an analog signal.
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32 / 50
Data chunk at data link layer is called
33 / 50
Bi phase encoding is a type of bipolar encoding in which we use two voltage levels.
34 / 50
35 / 50
The last modified version of EIA-232 standard is ______________
36 / 50
is a multipoint topology.
37 / 50
38 / 50
Asynchronous transmission is
39 / 50
Fourier transform tells us that any digital signal can be decomposed into infinite number of periodic signals
40 / 50
41 / 50
The inversion of the level at 1 bit is called as __________
42 / 50
Asynchronous transmission is ___________
43 / 50
layer is the layer closest to the transmission medium.
44 / 50
The internet model consists of layers.
45 / 50
F.M.In differential Manchester we require two transition or signal changes to represent binary_____
46 / 50
In transmission the timing of the signal is unimportant.
47 / 50
Frequency of a failure and network recovery time after a failure is measures of the ____________ of a network.
48 / 50
TCP/IP model Application layer incorporate OSI Application and presentation
49 / 50
Which one is not among standard creation committee.
50 / 50
3dB is also called as power bandwidth.
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