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I wanted to give one of my employee a connection to the corprate internal email sever as well as a telephone and network connections, sometimes my employee wants to conduct an online meeting with other employee, how could this be done?
I want to know the differences between a router, a hub and a switch. I know that these devices operate in diferent layers of the OSI model. I want to know other differences like hardware related to each device, security,number of devices that each can support etc.