You have installed a device at the physical layer. All of the systems you connect to this device will talk to each other at the same time. What have you installed? 1Server 2Router 3Switch 4Hub
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Answer Expert Verified. Explanation: Hub is a electronic and networking device that is placed in a network to maintain a common link with the multiple attached devices. Hub is situated at the physical layer of the Open systems interconnection(OSI) model
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