Question 131
As shown in the figure, the MSR router in the headquarters is connected to the branch through the Ethernet interface E1/0, and the connection is backed up through the ISDN network. Which of the following options is the most reasonable and feasible at this time?
Question 132
In the topology shown in the figure, RTA needs to be configured to introduce default routes in the OSPF area.

Which of the following configurations cannot achieve the above purpose?

Which of the following configurations cannot achieve the above purpose?
Question 133
The following statement about IToIP is wrong is _______.
Question 134
The following functions of the convergence layer are ______. (Choose one or more)
Question 135
In the IS-IS network as shown in the figure, after the routing of each router is stable, the IS-IS Level-1 routing in the IS-IS LSDB of RTE has ______.