A network engineer must implement Ethernet links that are capable of transporting frames and IP
traffic for different broadcast domains that are mutually isolated. Consider that this is a multivendor
environment. Which Cisco IOS switching feature can be used to achieve the task?

A.
PPP encapsulation with a virtual template

B.
Link Aggregation Protocol at the access layer

C.
dot1q VLAN trunking

D.
Inter-Switch Link