Outcomes
        In this lesson you will 
        - specify the common categories of ethernet cables 
 
          - describe the function of a NIC 
 
          - distinguish between the function and purpose of hub, switch and router 
 
          - describe the function of ADSL and Cable Modems 
 
          - describe the function of a print server 
 
        
Prerequisites
        To be successful in this lesson, it would be helpful to know the following: 
        
        - how networks send data 
 
          - network layers