COMPUTER SCIENCE AND ENGINEERING
COMPUTER NETWORKING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is an example of a Layer 3 device that connects multiple computers and networks?
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Packet
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Repeater
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Switch
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Router
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Explanation:
Detailed explanation-1: -Traditionally, the network device most associated with Layer 3 has been the router, which allows you to connect devices to different IP networks.
Detailed explanation-2: -Routers operate at Layer 3–the network layer–and are used to connect networks to other networks. An easy way to think about the difference between switches and routers is to think about LANs and WANs. Devices connect locally through switches, and networks are connected to other networks through routers.
Detailed explanation-3: -Network switches operate at Layer 2 of the OSI model. To connect a network of personal computers together, they can be joined through a central hub. First broadcast; then unicast & multicast as needed.
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