Free Nokia 4A0-112 Exam Questions

Question 1

Your corporate network uses variable length subnetting to make more efficient use of IP addresses. One of the IP addresses for a host is 131.39.161.17 with a subnet mask of 255.255.248.0. What is the proper notation for the network to which this host is connected?

A : 131.39.160.0/21

B : 131.36.161.0/20

C : 131.39.161.17/21

D : 131.36.160.0/20

Answer: A

Question 2

A routing domain uses a link-state routing protocol. Which of the following would NOT be an advantage of dividing the entire routing domain into areas?

A : Detailed topology information is only shared among routers within the same area, thus reducing the complexity of the SPF calculation.

B : Route tables can be reduced by summarizing the IP prefixes advertised between areas.

C : Less-capable routers can be isolated from having to keep track of IP prefixes that are external to the local routing domain.

D : Fewer routers are required to handle the same amount of traffic, as compared to a single-area domain.

Answer: D

Question 3

A routing domain uses a link-state routing protocol. Which of the following would NOT be an advantage of dividing the entire routing domain into areas?

A : Detailed topology information is only shared among routers within the same area, thus reducing the complexity of the SPF calculation.

B : Route tables can be reduced by summarizing the IP prefixes advertised between areas.

C : Less-capable routers can be isolated from having to keep track of IP prefixes that are external to the local routing domain.

D : Fewer routers are required to handle the same amount of traffic, as compared to a single-area domain.

Answer: D

Question 4

Refer to the exhibit.Routers R1 through R4 are running an IGP in such a way that they have each others system IP addresses in their routing tables. A static route is configured on router R1 so that it can reach subnetwork 10.4.100.0. The network administrator decides to use an indirect static route, as shown in the diagram. However, pinging the server from router R1 fails. What may be the problem in this case?

A : Router R1 drops the echo request because address 10.10.10.3 does not belong to an adjacent router.

B : Router R2 drops the echo request because it does not have subnet 10.4.100.0 in its routing table.

C : Router R3 drops the echo request because it does not have subnet 10.4.100.0 in its routing table.

D : The echo request arrives at the server but there is no path for the echo response to return to router R1.

Answer: D

Question 5

Refer to the exhibit.Routers R1 through R4 are running an IGP in such a way that they have each others system IP addresses in their routing tables. A static route is configured on router R1 so that it can reach subnetwork 10.4.100.0. The network administrator decides to use an indirect static route, as shown in the diagram. However, pinging the server from router R1 fails. What may be the problem in this case?

A : Router R1 drops the echo request because address 10.10.10.3 does not belong to an adjacent router.

B : Router R2 drops the echo request because it does not have subnet 10.4.100.0 in its routing table.

C : Router R3 drops the echo request because it does not have subnet 10.4.100.0 in its routing table.

D : The echo request arrives at the server but there is no path for the echo response to return to router R1.

Answer: D