#136. Who can talk: PC1, VLAN 20
Four computers are on one switch, and there is no router:
| Computer | VLAN | IP |
|---|---|---|
| PC1 | VLAN 20 | 192.168.20.11 |
| PC2 | VLAN 30 | 192.168.30.12 |
| PC3 | VLAN 20 | 192.168.20.13 |
| PC4 | VLAN 30 | 192.168.30.14 |
Which computer can **PC1** ping?
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