BFD session down will cause the direct link to fail.

Which description is correct about the MPLS forwarding mechanism? (Multiple choice)

Which of the following regular expressions can only match BGP routing entries that pass through AS200 and then AS300?

As shown in the figure, private network routing information is exchanged between PE1 and PE2 and their respective CEs through OSPF, and the same DomainlD is set on both PE1 and PE2. When routes are imported from BGP to OSPF on PE2, it is possible that Which of the following types of SAs are passed to CE2?

How to view log information? (Multiple choice)