CS601-Midterm
1 / 50
Unidirectional traffic movement is overcome by dual ring technology.
2 / 50
layer is the layer closest to the transmission medium.
3 / 50
Frequency band in which 99% of the total power resides is called_______
4 / 50
Which topology requires a central controller or hub?
5 / 50
Set of rules that govern communication is called
6 / 50
The bit rate always equals the baud rate in which type of signal?
7 / 50
Data link layer deals with mechanical and electrical specifications of transmission medium and interface
8 / 50
The _______________ layer changes bits into electromagnetic signals.
9 / 50
Line configuration refers to the way two or more devices attach to a ______.
10 / 50
At the ______________layer, a DCE takes data generated by a DTE.
11 / 50
12 / 50
Non proprietary standard is also termed as de facto standard.
13 / 50
In Alternate mark inversion the term mark comes from_________
14 / 50
ASK, PSK, FSK and QAM are examples of ____ modulation.
15 / 50
The last modified version of EIA-232 standard is ______________
16 / 50
17 / 50
Data synchronization is a function related with ______
18 / 50
We need ____________ to decompose a composite signal into its components.
19 / 50
The inversion of the level at 1 bit is called as __________
20 / 50
is a multipoint topology.
21 / 50
The __________ generates the data and passes it along with any control information to a ___________.
22 / 50
Effective network mean that the network has fast delivery, timeliness and
23 / 50
Which one best describes the given statement: "To allow multiple users to share total capacity of a transmission medium"
24 / 50
Which one is not among standard creation committee.
25 / 50
A 56k modem can download at a rate of __________ Kbps and upload at a rate of __________ Kbps.
26 / 50
In transmission, a start bit and a stop bit frame a character byte.
27 / 50
Data synchronization is a function related with ___________
28 / 50
29 / 50
Frequency of a failure and network recovery time after a failure is measures of the ____________ of a network.
30 / 50
A set of devices connected by communication links is called networking
31 / 50
32 / 50
Line configuration refers to the way two or more devices attach to a .
33 / 50
Data chunk at data link layer is called
34 / 50
In 8QAM each signal shift or one baud represents __________
35 / 50
requires the maximum number of I/O ports.
36 / 50
representation of links that connect nodes is called as physical topology.
37 / 50
Asynchronous transmission is
38 / 50
TCP/IP model Application layer incorporate OSI Application and presentation
39 / 50
_____________ converts an analog signal into a digital signal.
40 / 50
Bi phase encoding is a type of bipolar encoding in which we use two voltage levels.
41 / 50
Layers 5, 6 and 7 also called as network support layers.
42 / 50
43 / 50
Asynchronous transmission is ___________
44 / 50
Amplitude in ASK is more resistive to EMI and Noise.
45 / 50
OSI model was developed prior to TCP/IP model.
46 / 50
DC component is also termed as Direct current component or a component with non-zero frequency.
47 / 50
The internet model consists of _________ layers.
48 / 50
49 / 50
A modulator converts a(n) ____________ signal to a(n) ____________ signal.
50 / 50
A sine wave must be an analog signal.
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