Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____. Options: A . &nbsp3, 3, 1, 7 B . &nbsp3, 2, 1, none C . &nbsp3, 2, 1, 7 D . &nbsp3, 3, 2, none E . &nbspAll of the above

Routers operate at layer _____. LAN switches operate at layer ____

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Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____.

Answer: Option B

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