A company has a small network,consisting of a single switch and a single router.The switch has beenconfigured with two vlans,and route-on-a-stick is being configured on the router for inter-vlan routing.Atrunk is configured to connect the switch to the router.What is the minimum number of router subinterfacesthat are required for all the vlans to communicate?()
- Aone
- Bthree
- Ctwo
- Dzero