CCNA Questions And Answers


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D. show protocols-all Answer: A

The show ip protocols command displays the routing protocol information configured on your router.
Chapter: 4


186. What does the "150" mean in the following command?
ip route 172.16.10.0 255.255.255.0 172.16.20.1 150 A. You want the destination to be considered 150 hops away.
B. You are assigning the IP address of 150 to the destination.
C. You are assigning an administrative distance of 150. D. You are assigning an administrative distance of 150 less than the default.

Answer: C
The command ip route network subnet-mask next-hop-address administrative-distance is used to set a static route for that router. The administrative distance of a static route is normally 1, however you can increase it
manually by entering a value at the end of the static route command. The command given above will set a
static route to the network of 172.16.10.0 by way of 172.16.20.1 (next-hop) with an administrative distance of 150.

Chapter: 4


187. What protocol is used to stop network loops in a switched internetwork?
A. RIP
B. STP C. VTP
D. ISL
Answer: B

The Spanning Tree Protocol (STP) is the protocol used in a switched environment to prevent loops.
Chapter: 4


188. What is the broadcast address for the following host?
172.16.10.9 255.255.255.252 A. 172.16.10.255
B. 172.16.10.12
C. 172.16.10.11 D. 172.16.10.8

Answer: C