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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.
a) TP lite , based on stored procedures. b) TP heavy , based on the TP monitors.
How can the use of NAT and PAT, be considered a security mechanism? Research the acronym(s) if it is not a part of your collection.
Can you Describe IGRP?
Mesh : This is two dimensional networks. In this all processing elements are organised in a two dimensional grid. The processor in the row i and column j are indicated by PE i .
Q. How is computer networks used in sales and marketing? Marketing and sales: Computer networks are used extensively in both marketing and sales organizations. Marketing pr
Wireless Ethernet (802.11) a) Operates on physical plus data link layers b) BSS (Basic service set) stationary or mobile wireless stations and a central base station known a
When a switch is said to be congested? It is possible that a switch receives packets faster than the shared link can accommodate and keeps in its memory, for an extended period
Router A router is used to route (transfer) data among two or more same networks. It verifies the next network point to which a data packet should be forwarded. The router is l
Define about the term - hackers Every time technology updates itself, new techniques evolve. At the same time thieves or intruders (in the information technology line, they are
Many instance of IGRP run on one physical router
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