What are the allowed vlans on each trunk link?

Refer to the exhibit.

The trunk links are being over utilized. A network engineer needs to resolve the issue by pruning the trunk links of unnecessary vlans. Each switch must be management accessible via VLAN 1.

What are the allowed vlans on each trunk link?
A . Switch A [Te1/0/2 allowed VLAN 1, 10, 20]
Switch B [Te1/0/2 allowed VLAN 1, 10, 20] [Te1/0/1 allowed VLAN 1, 10, 20]
Switch C [Te1/0/2 allowed VLAN 1, 10, 20] [Te1/0/1 allowed VLAN 1, 10, 20]
Switch D [Te1/0/2 allowed VLAN 1, 10, 20]
B . Switch A [Te1/0/2 allowed VLAN 1-4096]
Switch B [Te1/0/2 allowed VLAN 1-4096] [Te1/0/1 allowed VLAN 1-4096]
Switch C [Te1/0/2 allowed VLAN 1-4096] [Te1/0/1 allowed VLAN 1-4096]
Switch D [Te1/0/2 allowed VLAN 1-4096]
C . Switch A [Te1/0/2 allowed VLAN 1, 10]
Switch B [Te1/0/2 allowed VLAN 1, 10] [Te1/0/1 allowed VLAN 1, 10, 20]
Switch C [Te1/0/2 allowed VLAN 1, 10] [Te1/0/1 allowed VLAN 1, 10, 20]
Switch D [Te1/0/2 allowed VLAN 1, 10]
D . Switch A [Te1/0/2 allowed VLAN 10]
Switch B [Te1/0/2 allowed VLAN 10] [Te1/0/1 allowed VLAN 10, 20]
Switch C [Te1/0/2 allowed VLAN 10] [Te1/0/1 allowed VLAN 10, 20]
Switch D [Te1/0/2 allowed VLAN 10]

View Answer

Answer: C