A company has a small network,consisting of a single switch and a single router.The switch has been configured with two vlans,androute-on-a-stick is being configured on the router for inter-vlan routing.A trunk is configured to connect the switch to the router.What is the minimum number of router subinterfaces that are required for all the vlans to communicate?（）

A.A new switch has no VLANs configured.
B.Connectivity between VLANs requires a Layer 3 device.
C.VLANs typically decrease the number of collision domains.
D.Each VLAN uses a separate address space.
E.A switch maintains a separate bridging table for each VLAN.
F.VLANs cannot span multiple switches.

A.The IOS image will be ignored.
B.The router will prompt to enter initial configuration mode.
C.The router will boot to ROM.
D.Any configuration entries in NVRAM will be ignored.
E.The configuration in flash memory will be booted.

A.show frame-relay end-to-end
B.show frame-relay map
C.show frame-relay lmi
D.show frame-relay pvc