Under which circumstance will a branch ISR router contain interface vlan configurations?

A.
performing inter-VLAN routing
B.
performing 802.1Q trunking
C.
performing ISL trunking
D.
Ethernet Switch Module installed
E.
ADSL WIC installed
F.
running Call Manager Express
Explanation:
In smaller offices, a single ISR may be used for a both remote connectivity and inter-VLAN routing.
In that case, know that an Ethernet Switch Module would be required for the ISR router