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In an Ethernet switched network, a PC in one location is unable to communicate with another PC in a remote location, which are configured in the same IP subnet.
Which of the following is most likely to be the first step to take when troubleshooting the issue?

Make sure that Dynamic Trunking Protocol is enabled.

Make sure that the Native VLAN is set with the default value.

Make sure that the VLAN is allowed on the trunks.

Make sure that both of their switchports are configured in the same VLAN.

Make sure that the VLAN is carried across the trunk links.



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