CS601-Midterm
1 / 50
The _______________ layer changes bits into electromagnetic signals.
2 / 50
The inversion of the level at 1 bit is called as __________
3 / 50
The internet model consists of layers.
4 / 50
Data link layer deals with mechanical and electrical specifications of transmission medium and interface
5 / 50
Line configuration refers to the way two or more devices attach to a ______.
6 / 50
At the ______________layer, a DCE takes data generated by a DTE.
7 / 50
A sine wave must be an analog signal.
8 / 50
Bi phase encoding is a type of bipolar encoding in which we use two voltage levels.
9 / 50
representation of links that connect nodes is called as physical topology.
10 / 50
Analog to digital conversion is also termed as modulating an analog signal.
11 / 50
Packet switching is a connection oriented service.
12 / 50
In Alternate mark inversion the term mark comes from_________
13 / 50
There are _____ possible variations of 16 QAM.
14 / 50
The bit rate always equals the baud rate in which type of signal?
15 / 50
In transmission, a start bit and a stop bit frame a character byte.
16 / 50
A modulator converts a(n) ____________ signal to a(n) ____________ signal.
17 / 50
Set of rules that govern communication is called
18 / 50
Amplitude in ASK is more resistive to EMI and Noise.
19 / 50
Data synchronization is a function related with ______
20 / 50
layer is the layer closest to the transmission medium.
21 / 50
Data synchronization is a function related with ___________
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ASK, PSK, FSK and QAM are examples of modulation.
23 / 50
Asynchronous transmission is ___________
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_________ requires more bandwidth.
25 / 50
Frequency band in which 99% of the total power resides is called_______
26 / 50
Frequency of a failure and network recovery time after a failure is measures of the ____________ of a network.
27 / 50
_________requires the maximum number of I/O ports.
28 / 50
Which is not an element of protocol
29 / 50
The last modified version of EIA-232 standard is ______________
30 / 50
31 / 50
DC component is also termed as Direct current component or a component with non-zero frequency.
32 / 50
33 / 50
Which topology requires a central controller or hub?
34 / 50
Effective network mean that the network has fast delivery, timeliness and
35 / 50
Which one best describes the given statement: "To allow multiple users to share total capacity of a transmission medium"
36 / 50
37 / 50
In 8QAM each signal shift or one baud represents __________
38 / 50
Internet with small “i” specifies the world wide Network the actual internet.
39 / 50
40 / 50
Time domain plot show changes in signal phase with respect to time.
41 / 50
42 / 50
A set of devices connected by communication links is called networking
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44 / 50
is a multipoint topology.
45 / 50
Non proprietary standard is also termed as de facto standard.
46 / 50
PCM is the first process of PAM.
47 / 50
Fourier transform tells us that any digital signal can be decomposed into infinite number of periodic signals
48 / 50
requires the maximum number of I/O ports.
49 / 50
Data chunk at data link layer is called
50 / 50
Line configuration refers to the way two or more devices attach to a .
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