CCNA 4 Final Exam Answers V3.1
1. An ISDN circuit from a branch office is remaining connected to the regional office. A
network administrator determines a user has initiated a continuous ping from a desktop
computer to the regional office. Which configuration change would allow the ISDN
circuit to disconnect during any attempts to ping, while otherwise functioning properly?
change DDR from legacy to dialer profiles
remove the dialer list statement from the configuration
change the dialer list to exclude ICMP as interesting
disable inverse ARP
Refer to the exhibit. The link between the RTR-1 and RTR-2 routers is configured as
shown in the exhibit. Although the show interfaces command shows the interface status
as Serial0 is up, line protocol is up, IP traffic is not crossing this link. What is the
The usernames are misconfigured.
The clock rate is configured on the wrong end of the link.
The IP addresses are not in the same subnet.
Interface serial 0/0 on RTR-1 must connect to interface serial 0/1 on RTR-2.
The passwords must be different for the CHAP authentication.
The clock rate must be 56000.