Q.1
Which network is a cross between circuits switched network and a data-gram network?
Q.2
What are the most commonly used transmission speeds in BPS used in data communication?
Q.3
What is the default subnet mask for a class C network?
Q.4
Select the cable that uses copper conductor, accept and transport signals in the form of electric current?
Q.5
If one link fails, only that link is affected. All other links remain active. Which topology does this?
Q.6
OSI model means:
Q.7
Number of Unguided Media is:
Q.8
Switching at the network layer in the Internet uses the datagram approach to:
Q.9
Select the correct cable that transport signals in the form of light:
Q.10
Twisted pair wires, coaxial cable, optical fiber cables are the examples of:
Q.11
Which of the followings is used in communications is referred to as unshielded twisted-pair (UTP)?
Q.12
A data communications system has:
Q.13
00 represents a pixel that pixel is known as :
Q.14
Select correct type of line configuration:
Q.15
Select the wrong data communication system component:
Q.16
Time required for a message to travel from one device to another is known as:
Q.17
Which network has connectivity range up to 10 meters?
Q.18
What is Unicode?
Q.19
For data communications to occur, the communicating devices must be part of a communication system made up of a combination of?
Q.20
Correct method for full duplex mode of communication is:
Q.21
Data communications system depends on four fundamental characteristics
Q.22
The number of cross point needed for 10 lines in a cross point switch which is full duplex in nature and there are no self connection is
Q.23
A terminal multiplexer has six 1200 bps terminals and 'n' 300bps terminals connected to it. The outgoing line is 9600bps. What is the maximum value of n?
Q.24
Maximum data rate of a channel for a noiseless 3-kHz binary channel is
Q.25
The ________ measures the number of lost or garbled messages as a fraction of the total sent in the sampling period.
Q.26
A high speed communication equipment typically would not be needed for
Q.27
Which of the following ISO level is more closely related to the physical communications facilities?
Q.28
In session layer, during data transfer, the data stream responsible for the "control" purpose (i.e control of the session layer itself) is
Q.29
which of the following is not a field in the Ethernet Message packet?
Q.30
The Network topology that supports bi-directional links between each possible node is
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