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By Jerry FitzGerald, Alan Dennis, Alexandra Durcikova

The eleventh version of FitzGerald and Dennis' company information Communications and Networking specializes in extra entire updating, in addition to extra hands-on and utilized routines. the hot version has extra in-depth assurance of routing; revisions and updates on instant; extra instances for team-based studying; and extra hands-on lab workouts. mostly, this article has extra information in lots of chapters, particular updates, and up to date illustrations.

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However, another group of financial software companies (call them group B) use a different de facto standard. Although both groups have software packages that GC could use, GC would really prefer to buy one package from group A for one type of financial analysis and one package from group B for a different type of financial analysis. The problem, of course, is that then the two packages cannot communicate and GC’s staff would end up having to type the same data into both packages. The alternative is to buy two packages from the same group—so that data could be easily shared—but that would mean having to settle for second best for one of the packages.

Chapter 5 discusses the transport layer in detail. Layer 5: Application Layer The application layer is the application software used by the network user and includes much of what the OSI model contains in the application, presentation, and session layers. It is the user’s access to the network. By using the application software, the user defines what messages are sent over the network. Because it is the layer that most people understand best and because starting at the top sometimes helps people understand better, the next chapter, Chapter 2, begins with the application layer.

The transport layer can also detect lost messages and request that they be resent. Chapter 5 discusses the transport layer in detail. Layer 5: Application Layer The application layer is the application software used by the network user and includes much of what the OSI model contains in the application, presentation, and session layers. It is the user’s access to the network. By using the application software, the user defines what messages are sent over the network. Because it is the layer that most people understand best and because starting at the top sometimes helps people understand better, the next chapter, Chapter 2, begins with the application layer.

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