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.

-When Laptop 1 communicates with the Web server through R3 and R4, which network nodes use their transport layer protocol(s)?
A) Laptop 1 and Web server
B) Laptop 1 only
C) Web server only
D) Laptop 1, R3, and R4
E) Laptop 1, R3, R4 and Web server

Question

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.
 
-When Laptop 1 communicates with the Web server through R3 and R4, which network nodes use their transport layer protocol(s)?
A) Laptop 1 and Web server 
B) Laptop 1 only 
C) Web server only 
D) Laptop 1, R3, and R4 
E) Laptop 1, R3, R4 and Web server

Quizplus · Accepted Answer

When Laptop 1 communicates with the Web server through R3 and R4, both nodes (Laptop 1 and Web Server) will use their transport layer protocol (e.g., TCP or UDP) to establish a connection, transfer data, and terminate the connection. R3 and R4 are routers and do not use a transport layer protocol in this communication.

Imagine an Enterprise Network That Is Composed of 3 Branch