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Certification Nokia 4A0-112 Training - New 4A0-112 Test Discount

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To take the Nokia 4A0-112 certification exam, you will need to have a solid understanding of networking concepts and protocols, as well as practical experience working with Nokia routers and switches. 4A0-112 exam is available online and can be taken at any time from anywhere in the world. It consists of multiple-choice questions and simulations that test your ability to apply your knowledge in real-world scenarios.

Nokia 4A0-112 exam is a comprehensive certification exam that tests the knowledge and skills of candidates regarding the Nokia IS-IS routing protocol. 4A0-112 Exam aims to evaluate the understanding of professionals in various aspects of the protocol, including its operational mechanisms, configuration, troubleshooting, and management. The Nokia 4A0-112 exam is designed for professionals who work with Nokia network solutions and wish to further their expertise in the IS-IS routing protocol.

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Nokia IS-IS Routing Protocol Sample Questions (Q17-Q22):

NEW QUESTION # 17
Which of the following statements about IS-IS is FALSE?

A. A level-1 router forwards traffic to other areas through the nearest I eve I-1/1 eve I-2 router.
B. A router becomes level-2 when it is associated with the backbone area.
C. IS-IS uses the concept of level-1 and level-2 routers to implement hierarchy.
D. In IS-IS, routers are associated with an area, not the interfaces.

Answer: D

Explanation:
In IS-IS, routers are actually associated with interfaces rather than the entire router being associated with a single area. A router can have interfaces in multiple areas, and it is the interface's configuration that determines which area it belongs to.

NEW QUESTION # 18
Which of the following statements about the IP forwarding process on a router is TRUE?

A. It uses the routing table to find a match for the destination IP address.
B. It uses the ARP table to find a match for the source MAC address.
C. It uses the routing table to find a match for the source IP address.
D. It uses the ARP table to find a match for the destination MAC address.

Answer: A

Explanation:
During the IP forwarding process, routers use the routing table to determine the next hop based on the destination IP address. The source IP address is not directly involved in the lookup process for forwarding.
The ARP table is used to map IP addresses to MAC addresses, specifically for resolving the MAC address of the next hop (destination MAC address) for forwarding packets within the local network.

NEW QUESTION # 19
Refer to the exhibit.

A static route has been configured on router R1 to reach the PC at 139.120.121.2.
What might be causing the ping to fail?

A. Router R2 needs a static route to the PC.
B. Router R1 needs a static route to router R2.
C. The configured next hop does not belong to a subnet adjacent to R1.
D. The configured static route needs to be a default route.

Answer: C

Explanation:
In the configuration on router R1, the static route is defined with the next-hop IP address of 139.120.121.1.
However, the next-hop IP address 139.120.121.1 does not belong to the same subnet as the directly connected interface on R1, which is 172.31.1.1/30. For the static route to work properly, the next-hop IP address must be reachable via a directly connected interface, meaning it must be within the same subnet.
Therefore, this mismatch in subnet adjacency is likely causing the failure to reach the destination (139.120.121.2).

NEW QUESTION # 20
Two IS-IS routers are exchanging Hello packets. One is configured to use authentication and the other is not. Which of the following statements is TRUE?

A. The two routers will negotiate the authentication parameters and the establish an adjacency.
B. An adjacency will not be established.
C. An adjacency will be established without authentication.
D. An adjacency will be established with authentication using the default parameters defined for IS-IS routers.

Answer: B

Explanation:
IS-IS routers must have matching authentication settings to establish an adjacency. If one router is configured with authentication and the other is not, the routers will not be able to establish an adjacency because their authentication parameters do not match.

NEW QUESTION # 21
Which of the following definitions best describes route redistribution?

A. It is the process of redirecting packets to be processed by an intermediate network function before allowing them to be forwarded to their intended final destination.
B. It is the process of deciding at line-rate speed which packets will be dropped and which ones will be forwarded.
C. It is the process of controlling which route advertisements received from routing peers are accepted and/or deciding which locally known prefixes are advertised to routing peers.
D. It is the process of passing routing information from one routing domain to another, which usually means from one routing protocol to another.

Answer: D

Explanation:
Route redistribution is the process of sharing routing information between different routing protocols or routing domains. For example, a router might redistribute routes learned via OSPF into a BGP routing table or vice versa. This enables routers to exchange routing information even when they are using different routing protocols.

NEW QUESTION # 22
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