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You, as a network technician, have been called into a company to assess why their network is slow. The Network is 100BaseT using cat 5UTP. In the MDF you find a hub being used. What course of action would you take to solve the problem?
Enable 802.1Q on the Hub
Install a 802.11AC network
Replace the hub with a switch.
Install a 1000baseT network
Install fiber optic cabling
Hubs are old legacy devices from 10baseT networks. In any modern network hubs should never be used and if one is ever found in a network the hub should be replaced with a switch. Hubs are "Dumb" devices forwarding all traffic to every computer connected to it in half duplex.
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