The network operations center has received a call stating that users in VLAN 107 are unable
to access resources through Router 1. From the information contained in the graphic, what is
the cause of this problem?

A.
VLAN 107 does not exist on switch A.

B.
VTP is pruning VLAN 107

C.
VLAN 107 is not configured on the trunk

D.
spanning tree is not enabled on VLAN 107