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Nt1310 Unit 1 Reflection

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While attending the networking concepts class this semester, I have learned many things. Although I may not use most of this information, I believe that in my choice of profession I will come across a time where this information will come in handy. I have gained knowledge about the OSI model, IP addresses, and calculating subnets. Most of this information that I am about to provide was very troubling for me to learn, but because I spent a lot of time on these topics, I believe that I have gained more knowledge.
One of the most memorable topics I have learned while attending IT: 273 was the OSI model. The OSI model meaning Open Systems Interconnection model, is a visual description made to understand and develop computer and network communications. …show more content…

Layer three, the network layer, takes network addresses and makes them physical while “routing” data determining whether or not data is sent from the sender to the receiver. In the network layer encloses data in a packet then sends the packet to the data link layer, the second layer. The data link layer transforms the packets into frames. Doing this allows the data to be transmitted in the physical layer. A known hardware device that performs at this layer is a NIC or a network interface card. The last layer, the physical layer, gathers the frames from the data link layer and transforms them into voltage to be used by the NIC. The OSI model will always be intergraded when I have networking on my mind. It creates a visual of how a network and its protocols …show more content…

It’s basically dividing a network. Why would one want to do this? A business is a prime example of why a network needs to be divided. A grocery store may want their cash registers on a different network than their inventory for security purposes. Every IP address has a subnet mask which communicates to the network that there is a subnet. When calculating a subnet, IT professionals must use the subnet mask and the host information of an IP address. By converting an IP address from decimal to binary, then doing a little math with the subnet mask, an IT professional can create a subnet. Learning how to subnet was tricky but as I got the hang of it I started to enjoy

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