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Refer to the exhibit. Communication exists between PC1 and PC2; however PC1 cant communicate with either PC3 or PC4.
**What can be done to allow those hosts to communicate? **

Add a second switch and configure trunking between both switches.

Regardless of the Switch model, the preferred solution would be to use Switched-Vritual-Interfaces (SVI)

only adding a Router-on-a-Stick will allow inter VLAN communication.

This problem could be solved with either: a Router-on-a-Stick in any case, or with SVI's if you have a Layer-3 Switch

Change the IP addresses of PC3 and PC4, so they belong to the network.

Configure a trunking protocol in Switch SW1.



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