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Network Laye
The network layer provides communication between the multiple networks. Whereas the data link layer provides the communication between two systems on the same network of two systems are connected to the same link there is usually more need for a network layer. However if the systems are attached to the different networks ( links) with connecting devices there is often a need for the network layer to accomplish sources to destination delivery. It defines addressing and routing ( logical link) between sources and destination. This layer also makes sure that data packets are transmitted across the networks correctly.Other responsibilities of the network layer include the followings.
DNS in the Internet -Domain name space is split into three sections: country, generic and inverse -Generic domains define hosts by generic behavior -Country domains are
Question 1 Explain the process of Components Identification and call establishment Question 2 Discuss on Basic services in GSM Question 3 Explain the Protocols Use
A data link is shared by 20 data sources. Each source is active only 10% of the time and produces 1Mbps data rate when active. The sources start their transmissions at random. a
Explain Persistence timer? To deal with the zero-size windows What if a receiver advertises that the window size is 0 (by sending ACK) and this ACK is lost? - A
This example demonstrates the use of parallel sections construct. The three functions, fun1, fun2, and fun3, all can be executed concurrently. Note that all the section directives
Network Criteria - Performance - It is able to be measured by transit time and response time. Affected by type of medium, number of users and connected HW/SW - Reliability
It is an additional 16-bit number which uniquely identifies the specific service on any given machine on the Internet. Port numbers are 16 bit wide, so each of the computers on the
BRDGING BETWEEN BUILDINGS: If two buildings are placed far from each other, a bridge, a pair of fiber modems and an optical fiber may be used to locate two LANs as given in t
Question 1 Brief the Fourth generation network. List its advantages and disadvantages Question 2 Explain the steps involved in component identification and call establishm
QUESTION (a) Four important benefits of Multi-Agent Systems are modularity, efficiency, reliability and flexibility. Briefly explain these benefits (b) Agents work together
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