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What is Synchronous TDM?
In STDM, the multiplexer allocates exactly the same time slot to every device at all times, whether or not a device has anything to transmit.
What is a OSI layer 2 device called a "barter"?
How do we do encryption and authentication in L2F?
Two neighbouring nodes (A and B) use a Go-Back-N protocol with a 3-bit sequence number and a window size of 4. Acknowledgments are cumulative. Assuming A is transmitting and B is r
Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frames are 25 bytes long. Calculate the efficiency of stop-and-wait ARQ (a) Transmits a
Q. What are the basic key functions of data link layer? Ans: Data link layer transfers data in a structured and reliable manner so that the service given by the physical layer
CSMA/CD - A Simple Definition A network station wishing to broadcast will first check the cable plant to make sure that no other station is currently transmit
Describe Concept of Simplex, Half Duplex and Full Duplex dialogs?
Q. What do you mean by Modems? Telephone Modems - A telephone line has a bandwidth of approximately 2400 Hz for data transmission
What is Intranet security Every company starts its operations with a genuine and honest thinking. As time passes, based on the needs of its employees as well as customers, a nu
Point out the disadvantages of Ring Topology. The drawbacks of ring topologies are: a. It is considerably complex to install and reconfigure ring topology b. Media failur
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