2. An IT project team decided to use the following IT architecture to build the

Question

2. An IT project team decided to use the following IT architecture to build the new system. But first they should transform the logical system models into physical. As a team member your job is to transform the DFD in Appendix B into its physical form. Make any necessary assumption Unix Oracle 11 1. Web Application Client Side: tin stem Database En Programming Language for process development ASP.Net 2. Backend 1. Keyboard/Mouse 2. Barcode reader 1. Computer Screen 2. Disk Drive 3. Microsoft Exchange 2017 lication: C# Input devices Output devices Server) Microsoft Outlook 2017 (client Does this model shows a Client/Server platform? Explain in detail? Does this model a Network Model? Explain? Process New Items Process Add a New Item to Inventory and PO Newitem lint Vendor Purchase Order Payment Invntory Purchase Order Line Account Payabe

Explanation / Answer

Client server model works on simple analogy, client requests some resources or function by providing an input and then the server processes thatinput and returns an output. We can also show it as Client -> Server and
Server->Client. Its a two way communication between client and server. In the above mentioned architecture what we are seeing is input from various Clients going to their respective servers like Warehouse to Process new items but what we are not seeing is communication from Process new items to Warehouse. Also the server can't play the role of client but this rule is violated here when Process New Items gives an input to Process Add a New Item to Inventory.
So based on above discussion we can safely assume its not a complete client server model.

There are three types of Models which constitute Network model: Client Server, Peer to Peer and Hybrid Model.
As above discussed the model doesn't seem like a Client Server model but it can be assumed as Peer to Peer model because it shows the characteristics of Peer to Peer model like all computers have equal status and there isn't any clear distinction between client and server and all computers are independent in terms of data storage.
So from the above discussion we can conclude its a netweork model.

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