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Question:
(a) With the help of a diagram, describe a typical DNS system.
(b) Using signal sequence or state transition diagrams, illustrate the following scenarios:
i. TCP connection set-up ii. Cumulative Acknowledgement (Given that Seq = 152, Data=8 bytes and 16 bytes) iii. Termination of a connection
(c) Describe the mechanism that is used to perform flow control in TCP.
(d) State the 3 major entities that consists the Electronic Mail system.
(e) For the network below (link costs shown), use the Link State algorithm (Dijkstra) to calculate the least cost route from C to all other nodes.
DNS Tunneling – Domain Name Server "If, on one system, it is possible to transmit bits to another in any form, and in turn receive a reply as a result of that transmission, th
Efficiency of a data communications system depends on three fundamental characteristics - Delivery: The system should deliver data to the correct destination. Data should be r
What is D-AMPS D-AMPS uses 832 channels (in every direction) with three users sharing a sole channel. This allows D-AMPS to support up to the 2496 users simultaneously per cel
can we correct errors using crc?
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5 IGRP supports a feature that permits traffic to be distributed among up to 6 (4 default) paths to give greater allover throughput and reliability. What is this called? Ans) An
The bitonic sorting network needed log n number of stages for performing the task of sorting the list. The first n-1 stages of the circuit are able to sort two n/2 numbers and the
What is a Java package and how is it used? A Java package is a naming context for classes and interfaces. A package is used to make a separate name space for groups of classes
Error Detection-- CRC Powerful error detection system Rather than addition, binary division is utilized A series of redundant bits called "CRC" or else "CRC remai
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