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[notloggedin_show] You must be a Cybrary member to view this S3SS10N Wednesday Video. Login or Join for Free Now [/notloggedin_show][if_logged_in_show] This session covers the different types of devices used for network connectivity. The instructor starts out with an explanation of what a hub does at the present time, versus what a hub did in the past. A hub is responsible for sending a constant flow of data to the ports and are a liability regarding security for this reason. Hubs were popular as they were very economical and a quick, easy way to connect many computers. This session also discusses switches. Switches direct network traffic and speeds up the flow of data and have replaced hubs. Participants also learn about routers which separate domains based on logic. Routers are highly efficient, but also very expensive. [/ifloggedin_show]