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Networking Test UGCNETEXPERTS
UGCNETEXPERTS has completed it's networking topic and now it's time for your revision tests.
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Q.1. Which of the following allows devices on 1 network to communicate with devices on another network?
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1 point
multiplexer
t-switch
gateway
modem
Q.2. The application layer of a network
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establishes, maintains and terminates virtual circuits.
consists of software being run on the computer connected to the internet.
defines the user's port into the network
all of the above
Q.3. The communication mode that supports 2-way traffic but only one direction at a time is
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1 point
simplex
half-duplex
full-duplex
multiplex
Q.4. Modulation is the process of
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1 point
sending a file from 1 one computer to another computer
converting digital signals to analog signals
converting analog signals to digital signals
echoing every character that is received
Q.5. How many pairs of stations can simultaneously communicate on Ethernet LANs?
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1 point
1
3
2
multiple
Q.6. A central computer surrounded by one or more satellite computer is called a
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bus network
ring network
star network
all of the above
Q.7. Which layer of OSI model is responsible for creating and recognizing frame boundaries?
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1 point
physical layer
data link layer
transport layer
network layer
Q.8. Which of the following refers to the terms "residual error rate"
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1 point
the no. of bits per 24 hours continuous operation on an asynchronous line
the probability that one or more errors will be undetected when an error detection scheme is used.
the probability that one or more errors will be detected when an error detection mechanism is used
none of the above
Q.9. Why was the OSI developed?
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manufacturers disliked the TCP/IP protocol suite
the rate of data transfer was increasing exponentially
standards were needed to allow any 2 systems to communicate
all of the above
Q.10. The slowest transmission speeds are those of
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1 point
twisted-pair wire
microwaves
coaxial cable
fiber-optics cable
Q.11. Which of the following divides the high speed signal into frequency bands?
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1 point
t-switch
TDM
FDM
modem
Q.12. The OSI model consists of_______ layers
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1 point
3
4
7
8
Q.13. Compared to analog signals, digital signals
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1 point
allow faster transmission
are more accurate
both of the above
none of the above
Q.14. Sending a file from your PC's primary memory or disk to another computer is called
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1 point
uploading
downloading
hand on
logging on
Q.15. What is the minimum no. of wires needed to send data over a serial communication link layer?
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1 point
1
2
4
6
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