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Posted 18 September 2016 - 12:36 AM
Posted 18 September 2016 - 10:57 AM
"networks that use switches are more secure than those that use hubs"
I can see why you are confused when you get that kind of information. It is incorrect to use the term routing when talking layer 2 devices. No routing takes place. Devices at this layer store and forward/selectively transfer data.
Q1: the difference between a hub and a switch is a switch keeps a mac address table on every port whereas a hub can't do that. A hub would send the same data to all ports with the hope of the correct connected device would get the data. A switch just send that data to the specific port via its mac table.
Q2: Broadcasts, by their very nature, go to all ports
Q3: "they personally select the path and folders"
"Does this relate to any emails being downloaded?"
you need to understand the OSI model. What layer does a application [file sharing/email] work at vs the data link layer?
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