9. Link state routing protocol and OSPF.(10%)

(1) What algorithm is used by the link state routing protocols? (2) Refer to the diagram below. The routing protocol OSPF is configured on all routers. The OSPF priorityconfigured on each interface are the default value, equals to 1. The settings of the interfaces, includingthe network type, the IP addresses and the bandwidth are shown as follows

Among the four networks above, which of them are required for Designated Router (DR) andBackup Designated Router (BDR) election? What is the Router ID for each router? The Router ID ofRouterl is: The Router ID of Router2 is: The Router ID of Router3 is: The Router ID ofRouter4 is: In the Ethernet network 10.10.10.0/24, which router will become DR, and which router willbecome BDR? The DR is: The BDR is: On Routerl, what is the metric of the route to the network 192.168.22.0/24?

9. Link state routing protocol and OSPF. (10\%) (1) What algorithm is used by the link state routing protocols? (2) Refer to the diagram below. The routing protocol OSPF is configured on all routers. The OSPF priority configured on each interface are the default value, equals to 1 . The settings of the interfaces, including the network type, the IP addresses and the bandwidth are shown as follows. - Among the four networks above, which of them are required for Designated Router (DR) and Backup Designated Router (BDR) election? - What is the Router ID for each router? The Router ID of Router1 is: The Router ID of Router2 is: The Router ID of Router3 is: The Router ID of Router4 is: - In the Ethernet network " 10.10.10.0/24 ", which router will become DR, and which router will become BDR? The DR is: The BDR is