Refer to the exhibit

The network operations center has received a call stating that users in VLAN 107 are unable to access
resources through router 1. 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