CS601 Current Finalterm papers

How we link devices in a network Architecture?


What is the Basic purpose of Guard bands used in Multiplexing?


Suppose Zobi export firm has a network of computers where it uses fiber optics to carry
high speed signals, how the optical fiber sizes are measured?


What is the formula to calculate the number of redundancy bits required to correct a bit
error in a given number of data bits?


Write names of Link Access Protocols developed by ITU-T.


If we want to connect two same type of data terminal equipment lying in the same
building. Which type of modem we used in order to handle the exchanges? Explain with
solid reasons.


Sofsol Company is a medium size firm which is providing different network and
software services to its clients. They are using different bandwidths for different services.
Bandwidth is wasted in this scenario as different services need different bandwidth links,
which is very expensive. Suggest a suitable multiplexing technique to avoid bandwidth
wastage.


Which layer is closest to the transmission medium? Give atleast its four functions.
Does control frames contain Data? What are the key information that a control frames
carry?


Which Technique is responsible for Enquiry / Acknowledgement of transmission, what
does Enquiry / Acknowledgement coordinates?


In data communication each layer uses the PDU to communicate and exchange
information. The PDU information is only read by the peer layer on the receiving device
and then removed.Which type of information PDU contain?


How channels are separated and signals are sent in combined mode, explain it with the
help of suitable multiplexing technique?


Find the binary equivalent of the expression given below :
x8+x3+x+1