Imagine an Enterprise Network That Is Composed of 3 Branch

Multiple Choice

Imagine an enterprise network that is composed of 3 branch locations and one main office. Each location has its own LAN and the LANs are interconnected by WAN connections. Also, there are two WAN links that provide the Internet access through an ISP. Answer all questions based on the figure.

-If PC3 transmits an IP packet to the Database Server via R3 and R1, how many different data link source addresses are used before the packet arrives at the Database Server? (Assume that a WAN link also needs a data link address.)

A) 1
B) 2
C) 3
D) 4
E) 5