By default, the Domain ID of each OSPF process running on the router is the same as the process number of the process, which can be modified by the domain-id command under the process

As shown in the figure, in a medium-sized network, BGP generally deploys dual RRs to improve R reliability. When deploying dual RRs, the Cluster IDs of the two RRs are generally set to be the same. The reason for this is

Deployment in a small and medium-sized networkOSPF,When viewing the routing table of a device, it is found that there are only directly connected routes.
It is not possible for the operation to cause the fault?

Which of the following are the advantages of VLAN aggregation? (Multiple choice)

What is the command to adjust the link cost of an IS-IS interface?