Imagine an Enterprise Network, an Example of Campus Network, Which

Multiple Choice

Imagine an enterprise network, an example of campus network, which is composed of 4 buildings interconnected. Each building has its own LAN and the LANs are interconnected via 4 routers. Also, there is a WAN link that provides Internet access through an ISP.
The network administrator is going to create data VLANs on the network in Building 4 to put business departments on separate VLANs to improve security. With the VLANs, R4 will perform inter-VLAN routing. The PCs will belong to the following VLANs:
-- PC4 and PC6: Accounting VLAN
-- PC5 and File Server: Human Resource VLAN
-- PC7 and PC8: Marketing VLAN
Answer the following question.
-If PC5 accesses files stored on the File Server, how many physical links transport VLAN-tagged frames between the two computers (assume that both links between SW5 and SW6 will be used to transmit files) ?

A) 1
B) 2
C) 3
D) 4
E) none