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Refer to the exhibit below. To keep the network free of collisions and without congestion what would be the best option for a network device and interface to be placed into the _Network Device A label?
A router with four Ethernet interfaces
A switch with three Ethernet interfaces and one Serial
A hub with four Ethernet interfaces
A switch with four Ethernet interfaces
A router with three Ethernet interfaces and one Serial
L2 devices such as switches and bridges are used for connecting LANs. Switches regularly use Ethernet interfaces to connect LANs. Usually a router will be used for connecting a LAN to a WAN or the Internet. A hub can be used in this occasion; however hubs do not break collision domains and do not keep it free of collisions.
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