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Network Basics (Advantages of network (Share data and information,…

- - - - sends communication signals through the air or space using radio , microwave, and infrared signals.
        
        radio wave
        
        microwaves
        
        infrared
    - - use wire cable, and other tangible materials, to send communications signals.
        
        Coaxial cable
        
        fiber- optic cable
        
        \twisted pair cable