TestInside 640-802
1. Refer to the exhibit. What could be possible causes for the "Serial0/0 is down" interface status? (Choose two.)
Router1#show interfaces serial 0/0
Serial0/0 is down, line protocol is down
Hardware is MK5025
Serial Internet address is 10.1.1.2/24
MTU 1500 bytes, BW 1544 Kbits, DLY 20000 usec, rely 255/255, load 9/255
Encapsulation PPP, loopback not set, keepalive set (10 sec)
<some output omitted>
A. A Layer 1 problem exists.
B. The bandwidth is set too low.
C. A protocol mismatch exists.
D. An incorrect cable is being used.
E. There is an incorrect IP address on the Serial 0/0 interface.
Answer: AD
2. The network administrator has discovered that the power supply has failed on a switch in the company LAN and
that the switch has stopped functioning. It has been replaced with a Cisco Catalyst 2950 series switch. What must
be done to ensure that this new switch becomes the root bridge on the network?
A. Lower the bridge priority number.
B. Change the MAC address of the switch.
C. Increase the VTP revision number for the domain.
D. Lower the root path cost on the switch ports.
E. Assign the switch an IP address with the lowest value.
Answer: A
3. Refer to the exhibit. Assume that all of the router interfaces are operational and configured correctly.
How will router R2 be affected by the configuration of R1 that is shown in the exhibit?
