CS601-Midterm
1 / 50
Which is not an element of protocol
2 / 50
Packet switching is a connection oriented service.
3 / 50
3dB is also called as power bandwidth.
4 / 50
At the ______________layer, a DCE takes data generated by a DTE.
5 / 50
Layers 5, 6 and 7 also called as network support layers.
6 / 50
In mesh topology, if there are five nodes then there will be links.
7 / 50
OSI model was developed prior to TCP/IP model.
8 / 50
Asynchronous transmission is
9 / 50
Data chunk at data link layer is called
10 / 50
Data synchronization is a function related with ______
11 / 50
Data synchronization is a function related with ___________
12 / 50
The internet model consists of _________ layers.
13 / 50
DC component is also termed as Direct current component or a component with non-zero frequency.
14 / 50
A human brain is considered as a ___________
15 / 50
Bi phase encoding is a type of bipolar encoding in which we use two voltage levels.
16 / 50
Which one best describes the given statement: "To allow multiple users to share total capacity of a transmission medium"
17 / 50
The bit rate always equals the baud rate in which type of signal?
18 / 50
A modulator converts a(n) ____________ signal to a(n) ____________ signal.
19 / 50
representation of links that connect nodes is called as physical topology.
20 / 50
Analog to digital conversion is also termed as modulating an analog signal.
21 / 50
layer is the layer closest to the transmission medium.
22 / 50
In 8QAM each signal shift or one baud represents __________
23 / 50
24 / 50
_____________ converts an analog signal into a digital signal.
25 / 50
Fourier transform tells us that any digital signal can be decomposed into infinite number of periodic signals
26 / 50
A sine wave must be an analog signal.
27 / 50
28 / 50
Time domain plot show changes in signal phase with respect to time.
29 / 50
A set of devices connected by communication links is called networking
30 / 50
Frequency band in which 99% of the total power resides is called_______
31 / 50
Non proprietary standard is also termed as de facto standard.
32 / 50
In transmission the timing of the signal is unimportant.
33 / 50
ASK, PSK, FSK and QAM are examples of modulation.
34 / 50
Set of rules that govern communication is called
35 / 50
Which topology requires a central controller or hub?
36 / 50
Number of signal units per second that are required to represent a bit is called bit rate.
37 / 50
TCP/IP model Application layer incorporate OSI Application and presentation
38 / 50
Data link layer deals with mechanical and electrical specifications of transmission medium and interface
39 / 50
Frequency of a failure and network recovery time after a failure is measures of the ____________ of a network.
40 / 50
The _______________ layer changes bits into electromagnetic signals.
41 / 50
Asynchronous transmission is ___________
42 / 50
Quantization means measuring amplitudes of signal at equal intervals.
43 / 50
PCM is the first process of PAM.
44 / 50
Effective network mean that the network has fast delivery, timeliness and
45 / 50
46 / 50
_________ requires more bandwidth.
47 / 50
ASK, PSK, FSK and QAM are examples of ____ modulation.
48 / 50
F.M.In differential Manchester we require two transition or signal changes to represent binary_____
49 / 50
50 / 50
The internet model consists of layers.
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