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Intranets are mainly "small" Internets. They use same network facilities that Internet does, though access is restricted to a limited sphere. For example, a company can set up an intranet within confines of the company itself. Access can be tightly controlled and limited to authorized staff and employees. There is no connection to Internet or any other outside network. Functions such as web sites, downloads and file uploads and e-mail is available on intranets within confines of network. Because frivolous sites are no longer available, there is no employee time lost because of accessing them. There is, of course, limitation of the networking area. Very benefit of restricting access to all of facilities available on Internet also restricts communication to other desirable locations. This is where extranet steps in. An extranet is network which connects a number of intranets in a truly mini-Internet Access is extended to all intranets connected through extranet, though, again, not to Internet. Extranets requires a constant Internet connection as well as a hypertext transfer protocol (http) server.
During the Persian Gulf crisis of 1991, U .S forces deployed a Dynamic Analysis and Re planning Tool, DART ( Cross and Walker, 1994) to do automated logistics planning and schedu
Does a numeric mailbox identifier have any advantage over a mnemonic identifier? Explain. Several software systems permit the system administrator to select mailbox names, wher
The field SY-DYNR refers to Number of the current screen.
Explain the term- Cycle Based Simulator This is a Digital Logic Simulation method which eliminates unnecessary calculations to achieve huge performance gains in verifying Bool
Write a short note on structure chart. Structure Chart is an significant program design method and it shows all components of code in a hierarchical format
How does a computer know whether an arriving frame contains an ARP message? Explain. The type field into the frame header gives that the frame contains an ARP message. A sender
Determine the primary memory of the server The keys used for accessing the server are held at a secret location in the primary memory of the server. This area or location is hi
What are the steps to design algorithm? Formulate algorithm for each operation. Analysis specification tells what the operation does. The algorithm shows how it is done. The st
Dataflow Computing A different to the von Neumann model of computation is the dataflow computation model. In a dataflow model, control is fixed to the flow of data. The order o
What are the properties of electronic cash? Properties: 1. Monetary Value: Monetary value should be backed by bank certified cashier’s cheque or cash, bank authorized cred
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