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problem 1) You want to totally reinitialize a router and replace the present running-config with current startup-config. Which command will you use?

A. replace run start
B. copy run start
C. copy start run
D. reload

problem 2) If you delete contents of NVRAM and reboot the router, what mode will you be in?

A. Privileged mode
B. Global mode
C. Setup mode
D. NVRAM loaded mode

problem 3) What is the problem with interface if you type show interface serial 0 and receive the following message? "Serial0 is administratively down, line protocol is down."

A. The keep alives are different times.
B. The administrator has the interface shut down.
C. The administrator is pinging from the interface.
D. No cable is attached.

problem 4) Which of the following statements are true regarding the command ip route 172.16.4.0 255.255.255.0 192.168.4.2?

a. The command is used to establish static route.
b. The default administrative distance is used.
c. The command is used to configure a default route.
d. The subnet mask for the source address is 255.255.255.0.

A. 1 and 2
B. 2 and 4
C. 3 and 4
D. All of the above

problem 5) Which command displays RIP routing updates?

A. show ip route
B. debug ip rip
C. show protocols
D. debug ip route

problem 6) Which statement is true regarding classless routing protocols?

a. The use of discontiguous networks is not permitted.
b. The use of variable length subnet masks is allowed.
c. RIPv1 is a classless routing protocol.
d. IGRP supports classless routing within the same autonomous system.
e. RIPv2 supports classless routing.

A. 1, 3 and 5
B. 3 and 4
C. 2 and 5
D. None of the above

problem 7) You have the following routing table. Which of the following networks will not be placed in neighbor routing table?

R    192.168.30.0/24 [120/1] via 192.168.40.1, 00:00:12, Serial0
C    192.168.40.0/24 is directly connected, Serial0
    172.16.0.0/24 is subnetted, 1 subnets
C    172.16.30.0 is directly connected, Loopback0
R    192.168.20.0/24 [120/1] via 192.168.40.1, 00:00:12, Serial0
R    10.0.0.0/8 [120/15] via 192.168.40.1, 00:00:07, Serial0
C    192.168.50.0/24 is directly connected, Ethernet0

A. 172.16.30.0
B. 192.168.30.0
C. 10.0.0.0
D. All of them will be placed in a neighbour routing table.

problem 8) What is split horizon?

A. Information about the route must not be sent back in a direction from which original update came.
B. It splits traffic when you have the large bus (horizon) physical network.
C. It holds regular updates from broadcasting to a downed link.
D. It prevents regular update messages from reinstating a route that has gone down.

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