Refer to the exhibit:

The network manager is evaluating the efficiency of the current network design. RIPv2 is enabled on all Layer 3 devices in the network. What network devices participate in passing traffic from the PC at 10.10.1.7 to File Server at 10.20.1.6 in the older that they will forward traffic from source to destination?

A.
Switch1, Switch2

B.
Switch1, Switch2, Switch2, Switch2

C.
Switch1, Router1, Switch1, Switch2

D.
Switch1, Router1, Router2, Switch2