CAR is realized at the IP layer so that it can only limit the traffic of IP packets. Compared with CAR, LR can limit all the traffic passing through the physical interface.
Which of the following descriptions about the IPSec Security Association (SA) is/are correct? ( )
The ASBR imports four external routes, 192.168.0.0/24, 192.168.1.0/24, 192.168.2.0/24 and 192.168.3.0/24. These routes are aggregated to one route 192.168.0.0/22 by the ABR. Which routes will the ABR redistribute to the other areas? ( )
Which of the following descriptions about route aggregation in OSPF is/are wrong? ( )
The multicast address used by OSPF is ( ).