Question 1 of 25
Hints left: 3
Q1
Correct method for full duplex mode of communication is:
Q2
Which network has connectivity range up to 10 meters?
Q3
In session layer, during data transfer, the data stream responsible for the "control" purpose (i.e control of the session layer itself) is
Q4
Start and stop bits are used in serial communication for
Q5
In a broad Sense, a railway track is an example of
Q6
The topology with highest reliability is:
Q7
Maximum data rate of a channel for a noiseless 3-kHz binary channel is
Q8
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
Q9
How many Character per sec(7bits + 1parity) can be transmitted over a 2400 bps line if the transfer is synchronous (1 "Start" and 1 "stop" bit)?
Q10
Error detection at the data link level is achieved by
Q12
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?
Q13
Which of the following is a wrong example of network layer?
Q14
Which of the following ISO level is more closely related to the physical communications facilities?
Q15
Unmodulated signal coming from a transmitter is know as
Q16
A high speed communication equipment typically would not be needed for
Q18
Which one of the following network uses dynamic or adaptive routing?
Q19
The method of communication in which transmission takes place in both directions, but only one direction at a time is called
Q20
For data communications to occur, the communicating devices must be part of a communication system made up of a combination of?
Q22
Data communications system depends on four fundamental characteristics
Q23
which of the following is not a field in the Ethernet Message packet?
Q24
The ________ measures the number of lost or garbled messages as a fraction of the total sent in the sampling period.
Q25
The Network topology that supports bi-directional links between each possible node is