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. Answer the following questions.

-Assuming that the OSPF protocol is activated on all routers (R1 ~ R4), R4 is going to have ______ entries in its routing table. Include one default route, directly connected routes, and dynamic routes in the counting.
A) 4
B) 8
C) 9
D) 11
E) 13

Question

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. Answer the following questions.
 
-Assuming that the OSPF protocol is activated on all routers (R1 ~ R4), R4 is going to have ______ entries in its routing table. Include one default route, directly connected routes, and dynamic routes in the counting.
A) 4 
B) 8 
C) 9 
D) 11 
E) 13

Quizplus · Accepted Answer

R4 will have entries for its directly connected networks, OSPF learned routes from R1, R2, and R3, and a default route if configured. The total count is 11, considering typical OSPF network setups.

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