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Our Nokia IS-IS Routing Protocol (4A0-112) exam questions are being offered in three easy-to-use and compatible formats. These Nokia 4A0-112 exam dumps formats offer a user-friendly interface and are compatible with all devices, operating systems, and browsers. The Nokia IS-IS Routing Protocol (4A0-112) PDF questions file contains real and Valid 4A0-112 Exam Questions that assist you in 4A0-112 exam dumps preparation and boost the candidate's confidence to pass the challenging Nokia IS-IS Routing Protocol (4A0-112) exam easily. The Nokia IS-IS Routing Protocol (4A0-112) PDF dumps file work with all devices and operating system.

The Nokia IS-IS Routing Protocol certification exam is intended for individuals who have a solid understanding of IP routing protocols, network design, and network architecture. 4A0-112 exam covers a variety of topics, including IS-IS protocol basics, IS-IS packet format, IS-IS operation, IS-IS configuration, and IS-IS troubleshooting.

Nokia 4A0-112 exam focuses on the Nokia IS-IS (Intermediate System to Intermediate System) routing protocol. This protocol is widely used in large-scale networks, such as service provider networks, due to its ability to handle large amounts of traffic and provide efficient routing. 4A0-112 exam covers topics such as configuring and troubleshooting IS-IS, understanding the different IS-IS protocols and their functions, and analyzing IS-IS metrics.

Achieving the Nokia 4A0-112 Certification provides numerous benefits to IT professionals. It validates their knowledge and skills in one of the most widely used routing protocols in the networking industry, which can help them advance their careers and increase their earning potential. It also demonstrates their commitment to staying current with the latest networking technologies and best practices, which can help them stand out in a competitive job market.

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Nokia IS-IS Routing Protocol Sample Questions (Q13-Q18):

NEW QUESTION # 13
Refer to the exhibit.

Examine the physical topology of the IS-IS network, the metrics of the links and the levels of the routers. All routers have their system interfaces included in IS-IS. Which of the following statements describes the route-table entry that router R4 will use to reach the system IP address of router R6?

A. Router R4 will have a default route with router R2 as the next-hop.
B. Router R4 will not have a matching entry in its routing table for router R6's system IP address.
C. Router R4 will have a route to router R6's system IP address with router R2 as the next-hop.
D. Router R4 will have a default route with router R3 as the next-hop.

Answer: C

Explanation:
Router R4 is in Area 49.0001 and R6 is in Area 49.0002. Both routers are Level 2 (L2), meaning that they can communicate across areas using Level 2 IS-IS routing.
Since R2 is the L1/L2 router that connects both Area 49.0001 and Area 49.0002, it will be the next-hop for router R4 to reach R6's system IP address.
The IS-IS protocol will ensure that R4 will have a route to R6's system IP address via R2 as the next-hop.

NEW QUESTION # 14
Which of the following statements about the IP forwarding process on a router is TRUE?

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

Answer: D

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 # 15
Refer to the exhibit.

Routers R1 through R4 in the diagram have established IS-IS adjacencies. Router R1 is L1/L2 and is the DIS of its two broadcast interfaces. How many LSPs will it generate?

A. 0
B. 1
C. 2
D. 3

Answer: A

Explanation:
Router R1 is configured as L1/L2, meaning it is part of both Level 1 and Level 2 IS-IS routing areas. This means R1 will generate two types of LSPs:
Level 1 LSP (for the local area 49.0001) to advertise its local topology to other Level 1 routers.
Level 2 LSP (for the backbone area 49.0002) to advertise the global network topology to Level 2 routers.
R1 also has two broadcast interfaces, and as the Designated Intermediate System (DIS) on these interfaces, it will generate an LSP for each interface (one per broadcast link).
This results in three total LSPs:
A Level 1 LSP for the local area (49.0001).
A Level 2 LSP for the backbone area (49.0002).
An LSP for each of the two broadcast interfaces, which may include interface-related topology information.

NEW QUESTION # 16
When a router performs the SPF calculation, which router is used as the root of the shortest path tree?

A. The router doing the calculation.
B. The router with the lowest router ID.
C. The router's closest neighbor.
D. The router with the fewest links.

Answer: A

Explanation:
When a router performs the SPF (Shortest Path First) calculation, it uses itself as the root of the shortest path tree (SPT). This router computes the shortest paths to all other routers in the network, treating itself as the origin and calculating the paths based on its view of the network.

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
......

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