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Refer to the exhibit. The AUTO negotiation mode is set in Router "R1" interfaces as well as in Router R4's interfaces. The hosts connected to Switch "SW1" cannot communicate with hosts in Switch SW4. What can be done to solve the issue?

Issue a "no shutdown" under the Interface f1/0 of router R1.

Replace the cable between R1 and R4 with a straight-through cable

Reconfigure the IP addresses on R1 & R4 so that they belong to a common subnet.

Replace the cable between R1 and R4 with a crossover cable



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