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Intranets are fundamentally "small" Internets. They employ the same network facilities which the Internet does, however access is limited to a restricted sphere. For example, a company can set up an intranet in the confines of the company itself. Access can be firmly controlled and restricted to authorized employees & staff. There is no connection to the Internet or any other outside network. Functions such as web sites, file uploads & downloads, and e-mail is accessible on intranets in the confines of the network.
As frivolous sites are no longer obtainable, there is no employee time lost because of accessing them. There is, certainly, the restriction of the networking area. The very benefit of limiting access to all of the facilities obtainable on the Internet also limits communication to other wanted locations. This is where the extranet steps in.
An extranet is network which connects a number of intranets in a truly mini-Internet Access is extended to all of the intranets linked through the extranet, however, again, not to the Internet. Extranets needs a constant Internet connection & a hypertext transfer protocol (http) server.
In this part, we shall talk about about message passing libraries. In history, various message passing libraries have been available since the 1980s. These executions differed subs
Question : (a) Explain the ‘RAD' methodology with a suitable diagram. (b) One of the activities to be performed during Rapid Application Development is Rapid Business Analys
ETHERNET FIELDS: In Ethernet fields the preamble and CRC is usually not given in frame. The destination address of each is the broadcast address. There is special value reser
IMPORTANT: The web server should be able to serve HTTP files only. You will not need to implement the directory listing and CGI-bin. Purpose The objective is to implement a H
Acknowledgment number This 32 bit field defines the byte number that the from the segment is expecting to receive the segment is expecting to receive from the other par
What do you mean by Protocol? In the context of data networking, a protocol is a formal set of rules and conventions that governs how computers exchange information over a netw
UPD is a layer 4 Transport protocol. It is connection-less due to it does establish a connection thus the 3 step handshake is not needed, it does NOT execute any flow control or ac
Explain in dteail about the intranet The first Web browser was called Mosaic, and the HTML concept, although not a new one, has accelerated data access and research. In short,
How does a Token-Passing Protocol works? The token-passing protocol relies on a control signal known as the token. A token is a 24-bit packet that circulates throughout the net
Why are packets important in a network?
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