Question 86
IS-IS is a link-state routing protocol that uses the SPF algorithm for route calculation. As shown in the figure, a campus deploys both IPv4 and IPv6 and runs IS-IS to achieve network interconnection. R2 only supports IPv4. Which of the following statements is true about the topology calculation of this network?
Question 87
An interface of a switch is in error-down state. A possible cause is that the average rate of broadcast packets received by the interface exceeds the upper threshold set by the administrator for storm control.
Question 88
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?
Question 89
On an MPLS network, after an LSR receives a Hello message from a peer, the LSR establishes an LDP adjacency with the peer. The Hello message is sent in multicast or unicast mode.
Question 90
Compared with the OSPFv2 packet header, which fields are added in the OSPFv3 packet header?