SR encapsulates the segment list identifying a forwarding path into a data packet header for transmission After receiving the data packet, the receiver end parses the segment list. If the top SID of the segment list belongs to the local node, the top SID is popped out, and then further processing is perfermed, if the top SID of the segment list does not belong to the local node, the data packet is forwarded to the next node in equal cost multiple path(ECMP) mode?

Refer to the graphic. A switch attempts to forward a frame to the MAC destination 5489-98ec-f011. What operation will occur on the switch?

OSPF allows for "multiple" processes. By default, OSPF selects a process whose number is ( ).

Which of the following statements are correct? (Choose two)

Referring to the following topology and configuration, routers R1 and R2 are connected through a Serial low-speed cable, and the data link layer uses PPP. When R1 and R2 When the Holdtimes are inconsistent, ARP negotiation fails and communication cannot be performed.