CS601-Midterm
1 / 50
TCP/IP model Application layer incorporate OSI Application and presentation
2 / 50
Asynchronous transmission is ___________
3 / 50
At the ______________layer, a DCE takes data generated by a DTE.
4 / 50
Data link layer deals with mechanical and electrical specifications of transmission medium and interface
5 / 50
Frequency band in which 99% of the total power resides is called_______
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.
8 / 50
Bi phase encoding is a type of bipolar encoding in which we use two voltage levels.
9 / 50
Data synchronization is a function related with ______
10 / 50
11 / 50
The _______________ layer changes bits into electromagnetic signals.
12 / 50
_________requires the maximum number of I/O ports.
13 / 50
ASK, PSK, FSK and QAM are examples of ____ modulation.
14 / 50
Amplitude in ASK is more resistive to EMI and Noise.
15 / 50
Non proprietary standard is also termed as de facto standard.
16 / 50
Which is not an element of protocol
17 / 50
18 / 50
Time domain plot show changes in signal phase with respect to time.
19 / 50
representation of links that connect nodes is called as physical topology.
20 / 50
In transmission the timing of the signal is unimportant.
21 / 50
is a multipoint topology.
22 / 50
Fourier transform tells us that any digital signal can be decomposed into infinite number of periodic signals
23 / 50
The internet model consists of _________ layers.
24 / 50
A 56k modem can download at a rate of __________ Kbps and upload at a rate of __________ Kbps.
25 / 50
Effective network mean that the network has fast delivery, timeliness and
26 / 50
ASK, PSK, FSK and QAM are examples of modulation.
27 / 50
28 / 50
The bit rate always equals the baud rate in which type of signal?
29 / 50
Packet switching is a connection oriented service.
30 / 50
Quantization means measuring amplitudes of signal at equal intervals.
31 / 50
PCM is the first process of PAM.
32 / 50
Asynchronous transmission is
33 / 50
A set of devices connected by communication links is called networking
34 / 50
_________ requires more bandwidth.
35 / 50
Internet with small “i” specifies the world wide Network the actual internet.
36 / 50
F.M.In differential Manchester we require two transition or signal changes to represent binary_____
37 / 50
38 / 50
Which topology requires a central controller or hub?
39 / 50
A modulator converts a(n) ____________ signal to a(n) ____________ signal.
40 / 50
_____________ converts an analog signal into a digital signal.
41 / 50
3dB is also called as power bandwidth.
42 / 50
A human brain is considered as a ___________
43 / 50
There are _____ possible variations of 16 QAM.
44 / 50
layer is the layer closest to the transmission medium.
45 / 50
Line configuration refers to the way two or more devices attach to a .
46 / 50
Layers 5, 6 and 7 also called as network support layers.
47 / 50
Data chunk at data link layer is called
48 / 50
requires the maximum number of I/O ports.
49 / 50
50 / 50
Your score is
The average score is 56%
Restart quiz
