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  • Dayson Tai (B032010463)
  • Muhammad Haziq bin Mohd Hapiz (B032010199)
  • Wong Kak Lok (B032010436)

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OSI Layer Model

  This figure shows the logical network flow from student’s home network to UTeM campus network. A student is trying to access the Ulearn system located in UTeM network facilities. In this article, we are going to see how data travels from student’s computer to reach the Ulearn system server using OSI Model.   What is OSI Model? Open System Interconnection (OSI) Model is a conceptual framework that describe the working of networking system. It is a 7 layered architecture where each layer perform different functionality in the communication system. The seven layers are: Physical Layer Data Link Layer Network Layer Transport Layer Session Layer Presentation Layer Application Layer The travel of data from student’s computer to reach the Ulearn system server is as below:   Application Layer (Layer 7) The application layer is responsible for providing services to user. It provides services for network applications with the help of protocols which allows the student to acces
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Presentation Video

OSI Model - How Data Travels from Student’s PC to Ulearn System Server  
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Subnetting Calculation

There are a total of 5 faculties and an IT Center in UTeM, therefore our private addressing scheme should consist of at least 6 subnets. Each subnet will be assigned to a faculty, and each faculty will consist of 500 to 1000 students. Hence, it is important that the right network class is chosen to ensure that the host address is enough. Network Class B is chosen for this project because it provides us sufficient host address for school usage.  On the other hand, Network Class C cannot be used, since it can only provide 254 host address. Network Number: 192.168.0.0 /16 Subnet Mask: 255.255.0.0 By applying the Fixed Length Subnetting Mask (FLSM) method, Assume x = number of bits borrowed      Number of subnets = (2^x) - 2     6 =  (2^x) - 2     x = 3 Therefore, the new subnet mask should be, In decimal: 255.255.224.0 /19 In binary: 1111 1111.1111 1111.1110 0000.0000 0000 IP table   Result Subnet 0 will be chosen for Ulearn System Server. The rest will be used by the faculties. The 5th a
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