MCQs on Computer Networking
MCQs related to Computer Networking.
Q No.1 of 10
First layer of OSI model is______
Option 1
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link layer
|
Option 2
|
physical layer
Correct |
Option 3
|
transport layer
|
Option 4
|
network layer
|
Q No.2 of 10
Which of the following might be used by a company to satisfy its growing communications needs?
Option 1
|
front end processor
|
Option 2
|
concentrator
|
Option 3
|
controller
|
Option 4
|
multiplexer
|
Option 5
|
all of the these
Correct |
Q No.3 of 10
The x.25 standard specifies a
Option 1
|
technique for start-stop data
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Option 2
|
technique for dial access
|
Option 3
|
DTE/DCE interface
Correct |
Option 4
|
None of these
|
Q No.4 of 10
Which of the following communication modes support two-way traffic but in only one direction at a time?
Option 1
|
three-quarters duplex
|
Option 2
|
simplex
|
Option 3
|
half duplex
Correct |
Option 4
|
None of these
|
Q No.5 of 10
What is the number of separate protocol layers at the serial interface gateway specified by the X.25 standard?
Option 1
|
2
|
Option 2
|
4
|
Option 3
|
5
|
Option 4
|
3
Correct |
Option 5
|
None of these
|
Q No.6 of 10
In OSI network architecture, the routing is performed by
Option 1
|
network layer
Correct |
Option 2
|
transport layer
|
Option 3
|
data link layer
|
Option 4
|
session layer
|
Option 5
|
none of these
|
Q No.7 of 10
In OSI network architecture, the dialogue control and token management are responsibility of
Option 1
|
session layer
Correct |
Option 2
|
network layer
|
Option 3
|
transport layer
|
Option 4
|
data link layer
|
Q No.8 of 10
Which of the following performs modulation and demodulation?
Option 1
|
fiber optics
|
Option 2
|
modem
Correct |
Option 3
|
satellite
|
Option 4
|
coaxial cable
|
Option 5
|
none of the these
|
Q No.9 of 10
The process of converting analog signals into digital signals so they can be processed by a receiving computer is referred to as:
Option 1
|
demodulation
|
Option 2
|
modulation
|
Option 3
|
synchronizing
|
Option 4
|
digitising
Correct |
Q No.10 of 10
How many OSI layers are covered in the X.25 standard?
Option 1
|
Two
|
Option 2
|
Three
Correct |
Option 3
|
Seven
|
Option 4
|
Six
|
Option 5
|
None of these
|
Solved MCQs on Computer Networking II
MCQs and Quiz related to Computer Networking.
Q No.1 of 10
Which of the following does not allow multiple uses or devices to share one communication line?
Option 1
|
multiplexer
|
Option 2
|
doubleplexer
Correct |
Option 3
|
concentrator
|
Option 4
|
controller
|
Q No.2 of 10
Which of the following signal is not standard RS-232-C signal?
Option 1
|
DSR
|
Option 2
|
VDR
Correct |
Option 3
|
RTS
|
Option 4
|
CTS
|
Q No.3 of 10
Which of the following is an advantage to using fiber optics data transmission?
Option 1
|
resistance to data theft
|
Option 2
|
low noise level
|
Option 3
|
fast data transmission rate
|
Option 4
|
all of these
Correct |
Q No.4 of 10
The transmission signal coding method of TI carrier is called
Option 1
|
NRZ
|
Option 2
|
Bipolar
Correct |
Option 3
|
Manchester
|
Option 4
|
Binary
|
Q No.5 of 10
Which of the following is not a transmission medium?
Option 1
|
telephone lines
|
Option 2
|
coaxial cables
|
Option 3
|
microwave systems
|
Option 4
|
modem
Correct |
Q No.6 of 10
Which of the following statement is incorrect?
Option 1
|
RTS/CTS is the way the terminal indicates ringing
Correct |
Option 2
|
Multiplexers are designed to accept data from several I/O devices and transmit a unified stream of data on one communication line
|
Option 3
|
HDLC is a standard synchronous communication protocol.
|
Option 4
|
RTS/CTS is the way the DTE indicates that it is ready to transmit data and the way the DCW indicates that it is ready to accept data
|
Q No.7 of 10
Which of the following is required to communicate between two computers?
Option 1
|
all of above including access to transmission medium
Correct |
Option 2
|
communications software
|
Option 3
|
protocol
|
Option 4
|
communication hardware
|
Q No.8 of 10
The interactive transmission of data within a time sharing system may be best suited to
Option 1
|
simplex lines
|
Option 2
|
half-duplex lines
Correct |
Option 3
|
full duplex lines
|
Option 4
|
biflex-lines
|
Q No.9 of 10
Which of the following is considered a broad band communication channel?
Option 1
|
microwave circuits
|
Option 2
|
coaxial cable
|
Option 3
|
fiber optics cable
|
Option 4
|
All of these
Correct |
Q No.10 of 10
Which of the following statement is incorrect?
Option 1
|
The difference between synchronous and asynchronous transmission is the clocking derived from the data in synchronous transmission.
|
Option 2
|
Teleprocessing combines telecommunications and DP techniques in online activities
|
Option 3
|
Half duplex line is a communication line in which data can move in two directions, but not at the same time.
|
Option 4
|
Batch processing is the prefered processing mode for telecommunication operation.
Correct |
Solved MCQs on Computer Networking III
MCQs and Quiz related to Computer Networking.
Q No.1 of 10
A remote batch-processing operation in which data is solely input to a central computer would require
Option 1
|
simplex lines
Correct |
Option 2
|
telegraphp line
|
Option 3
|
mixed bad channel
|
Option 4
|
all of these
|
Q No.2 of 10
Avalanche photodiode receivers can detect bits of transmitted data by receiving
Option 1
|
200 photons
Correct |
Option 2
|
100 photons
|
Option 3
|
2000 photons
|
Option 4
|
300 photons
|
Q No.3 of 10
An example of a medium speed, switched communications service is
Option 1
|
series 1000
|
Option 2
|
DDD
Correct |
Option 3
|
data phone 50
|
Option 4
|
All of the these
|
Q No.4 of 10
While transmitting odd-parity coded symbols, the number of zeros in each symbol is
Option 1
|
odd
|
Option 2
|
even
|
Option 3
|
All of these
|
Option 4
|
unknown
Correct |
Q No.5 of 10
Data communications monitors available on the software marked include
Option 1
|
TOTAL
|
Option 2
|
ENVIRON/1
Correct |
Option 3
|
BPL
|
Option 4
|
Telnet
|
Q No.6 of 10
An example of an analog communication method is
Option 1
|
microwave
|
Option 2
|
laser beam
|
Option 3
|
voice grade telephone line
|
Option 4
|
all of the these
Correct |
Q No.7 of 10
Communication circuits that transmit data in both directions but not at the same time are operating in
Option 1
|
a half duplex mode
Correct |
Option 2
|
a full duplex mode
|
Option 3
|
an asynchronous mode
|
Option 4
|
a simplex mode
|
Q No.8 of 10
A band is always equivalent to
Option 1
|
a byte
|
Option 2
|
a bit
|
Option 3
|
100 bits
|
Option 4
|
none of these
Correct |
Q No.9 of 10
The loss in signal power as light travels down the fiber is called
Option 1
|
attenuation
Correct |
Option 2
|
progragation
|
Option 3
|
scattering
|
Option 4
|
interruption
|
Q No.10 of 10
In communication satellite, multiple repeaters are known as
Option 1
|
detector
|
Option 2
|
modulator
|
Option 3
|
transponders
Correct |
Option 4
|
stations
|