Refer to the exhibit.

The following must be considered:

• SW1 is fully configured for all traffic

• The SW4 and SW9 links to SW1 have been configured

• The SW4 interface Gi0/1 and Gi0/0 on SW9 have been configured

• The remaining switches have had all VLANs adde d to their VLAN database

Which configuration establishes a successful ping from PC2 to PC7 without interruption to traffic flow between other PCs?

A)

B)

C)

D)