The routing attributes of the three routing entries are shown in the figure. Assuming that the next hops of the three routing entries are all reachable, when these three routing entries are After the entries arrive at the BP router in order, by default, BGP will finally call a route entry?

If you are faced with a complex network failure, and after evaluation, it is considered that the troubleshooting cannot be completed in a short time, and at this time the user urgently needs to restore the availability of the network, then which is the correct approach?

In the process of daily troubleshooting, engineers may need to check some alarm information of the device.
Turn on the debugging/log/alarm information sent by the terminal display information center by executing the terminal () command.
(Please use English lowercase letters to complete the command, and the command cannot be abbreviated)

In the MPLS network, there are different operation types for labels, among which the meaning of the "pop" action is:

IS-/S supports multi-instance and multi-process, that is, one IS-S router. Multiple VPN instances can be configured with multiple IS-IS process associated. Are the following descriptions of IS-JS multi-instance and multi-process correct?