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Need for standards
- Over the past couple of decades several of the networks that were built used different hardware and software implementations therefore they were incompatible and it became difficult for networks using different specifications to communicate with each other.
- To address the problem of networks being incompatible as well as unable to communicate with each other the ISO (International Organisation for Standardisation) researched various network schemes.
- The ISO recognised there was a necessitate to create a NETWORK MODEL that would help vendors create interoperable network implementations
State about the communications network 1) The communications network may only accept blocks of data up to a specific size. (2) Error control might be more effective with a
We studied Dijkstra's link-state routing algorithm for computing the unicast paths that are individually the shortest paths from the source to all destinations. The union of these
Question: Consider that you have to configure a small WLAN of 8 computers using Wired Equivalent Privacy (WEP) and that you have to best make use of its available security f
THE high spectral efficiency makes OFDM a suitable technology to meet the demands of wireless data traffic. A currently discussed new application are OFDM based overlay systems. In
What are gateways? Gateways give connectivity among two or more network segments. It is usually a computer that runs the gateway software and gives translation services. This t
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Load the Router with the Supplied Scripts Enable ! config term ! hostname Router1 ! enable secret class ! no ip domain-lookup ! interface FastEth
Reliable data transfer over a channel bit error rdt : 20 A more realist model of the underlying channel is one in which bits in packet may be computed. Such bit erro
a) Consider a hypothetical arrangement of ‘self-learning' bridges shown in the figure below. Assuming all are initially empty, give the forwarding tables for each of the bridges B
When to use Static routes and dynamic routes?
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