Free Nokia 4A0-112 Exam Questions

Become Nokia Certified with updated 4A0-112 exam questions and correct answers

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Total 86 Questions | Updated On: May 22, 2026

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Question 1

You have just installed the DHCP service on a stand-alone Windows Server 2003 system. You place the server on one of the subnets. You soon discover that clients are not leasing an IP address from the server. You open the DHCP console and see that the DHCP service is not started. What should you do?

A : install the DHCP service.

B : the DHCP server to the domain

C : thorize the DHCP server

D : eck the system event log to find any clues as to why the service will not start.

Answer: D

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 is using a single-area link-state routing protocol. Which of the following is NOT information that a router can share with other routers in the domain using protocol-specific messages?

A : The IP prefixes of subnets directly attached to the router.

B : IP prefixes known by the router because it is running ad additional routing protocol.

C : A copy of the local routing table.

D : The local router ID and the router IDs of neighboring routers.

Answer: C

Question 4

There are several differences between IS-IS Hello packets used on broadcast interfaces and on pointto-point interfaces. Which of the following statements is FALSE?

A : On broadcast interfaces there are different Hello packet types for level-1 and level-2 adjacencies, whereas on point-to-point interfaces there is a single Hello packet type.

B : The multicast MAC addresses to which the Hello messages are sent are different on broadcast interfaces and on point-to-point interfaces.

C : The neighbors are identified using their interface MAC addresses on broadcast Hello messages and using their system IDs on point-to-point Hello messages.

D : Broadcast Hello messages identify the elected designed IS (DIS) and point-to-point Hello messages do not.

Answer: C

Question 5

Which component of the Nokia 7750 SR is in charge of performing the longest prefix match lookup on packets that arrive on the physical interfaces?

A : Control Processing Module (CMP)

B : Media Dependent Adapter (MDA)

C : Switch Fabric (SF)

D : Input/Output Module (IOM)

Answer: D

Page: 1 / 18

Total 86 Questions | Updated On: May 22, 2026

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