PC$9$: $192\mathrm{.}168\mathrm{.}43\mathrm{.}19255\mathrm{.}255\mathrm{.}255\mathrm{.}240$

$15$

First, test the communication between two PCs that are on the same VLAN and on the same subnet.

From PC$0,$ ping PC$7(192\mathrm{.}168\mathrm{.}43\mathrm{.}29).$ Does it work? Why or why not?

Now ping PCs across VLANs, which in this case, are still on the same subnet. From PC$0,$ ping PC$8$

$(192\mathrm{.}168\mathrm{.}43\mathrm{.}20).$ Does it work? Why or why not?