(Refer to the figure below) Link-state protocols such as OSPF advertise link (connection) information of a router to other routers. When R1 advertises link-state, that advertisement should include information of how many links? Assume that all three routers are running OSPF.
A) 1
B) 2
C) 3
D) 4
E) 5

Question

(Refer to the figure below) Link-state protocols such as OSPF advertise link (connection) information of a router to other routers. When R1 advertises link-state, that advertisement should include information of how many links? Assume that all three routers are running OSPF. 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Quizplus · Accepted Answer

R1 should advertise all three links it has (to R2, R3, and the switch) as each of these links may affect the routing paths and decisions of other routers in the OSPF network. Therefore, the advertisement should include information about all three links.

(Refer to the Figure Below) Link-State Protocols Such as OSPF