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After passing the Nokia 4A0-112 certification exam, you can take advantage of a number of extra benefits. With the correct concentration, commitment, and 4A0-112 exam preparation, you could ace this Nokia IS-IS Routing Protocol 4A0-112 test with ease. UpdateDumps is a trusted and leading platform that is committed to preparing the Nokia 4A0-112 exam candidates in a short time period.

Nokia 4A0-112 certification exam is designed to assess the knowledge and skills of network professionals who work with the Nokia IS-IS routing protocol. 4A0-112 exam measures the ability of candidates to configure, manage, and troubleshoot an IS-IS network. The Nokia 4A0-112 certification is recognized globally as a mark of expertise in routing protocols and is highly valued in the telecommunications industry.

Nokia 4A0-112 Exam covers topics such as the configuration and operation of Nokia IS-IS Routing Protocol, IS-IS link-state database concepts, route selection criteria, and IS-IS-related troubleshooting procedures. It also covers the different types of IS-IS messages that are exchanged between routers and how they are used to build and maintain the routing table.

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Nokia 4A0-112 Exam covers a wide range of topics related to IS-IS, including the protocol's operation, design considerations, and implementation best practices. Candidates are expected to have a deep understanding of IS-IS's routing principles, including its use of link-state advertisements (LSAs) and the differences between the Level 1 and Level 2 routing domains. They should also be familiar with Nokia's implementation of IS-IS, including the configuration of IS-IS on Nokia routers, the use of IS-IS metrics, and the implementation of IS-IS features such as route leaking and summarization.

Nokia IS-IS Routing Protocol Sample Questions (Q30-Q35):

NEW QUESTION # 30
When multiple routing protocols offer a route for the same prefix, what part of the router is in charge of deciding which route to make active?

A. The routing table manager (RTM)
B. The equal cost multipath configuration
C. The forwarding information base (FIB)
D. The routing information base (RIB)

Answer: A

Explanation:
The routing table manager (RTM) is responsible for selecting the best route when multiple routing protocols provide a route for the same destination prefix. It makes the decision on which route to add to the routing table based on the administrative distance, metric, and other criteria.

NEW QUESTION # 31
Refer to the exhibit.

Which of the following statements best describes the IS-IS domain to which the command output corresponds?

A. Multi-area IS-IS domain with broadcast interfaces.
B. Multi-area IS-IS domain with no broadcast interfaces.
C. Single-area IS-IS domain with no broadcast interfaces.
D. Single-area IS-IS domain with broadcast interfaces.

Answer: A

Explanation:
The output shows two levels of IS-IS databases: Level 1 (L1) and Level 2 (L2). This indicates that the domain is multi-area, as L1 routers are confined to a single area, while L2 routers can route between different areas. The presence of Level 1/Level 2 (L1/L2) routers also suggests that the domain spans multiple areas.
The LSP (Link-State PDU) entries show L1/L2 ATT attributes, which typically indicate that these routers are capable of routing both within their own area (Level 1) and across areas (Level 2), suggesting a multi-area design.
The IS-IS domain likely includes broadcast interfaces, as indicated by the "ATT" attribute (typically referring to the type of interface) and common IS-IS configuration practices on broadcast networks like Ethernet.

NEW QUESTION # 32
There are several differences between IS-IS Hello packets used on broadcast interfaces and on point-to-point interfaces.
Which of the following statements is FALSE?

A. The multicast MAC addresses to which the Hello messages are sent are different on broadcast interfaces and on point-to-point interfaces.
B. 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.
C. Broadcast Hello messages identify the elected designed IS (DIS) and point-to-point Hello messages do not.
D. The neighbors are identified using their interface MAC addresses on broadcast Hello messages and using their system IDs on point-to-point Hello messages.

Answer: D

Explanation:
In both broadcast and point-to-point interfaces, IS-IS routers identify neighbors using system IDs, not interface MAC addresses. The system ID is a unique identifier assigned to each router, and it is used to identify neighbors in both types of interfaces.

NEW QUESTION # 33
Which of the following is NOT a required configuration step to successfully run IS-IS on a router?

A. The router needs to be associated with an IS-IS area ID.
B. A reference bandwidth needs to be configured to calculate link costs.
C. The IS-IS context needs to be enabled.
D. Layer-3 interfaces that will participate in IS-IS need to be identified.

Answer: B

Explanation:
While configuring a reference bandwidth (which is used to calculate link costs) can be useful, it is not strictly required for IS-IS to run. IS-IS uses default bandwidth values to calculate costs, and it can function without explicitly configuring a reference bandwidth.

NEW QUESTION # 34
Refer to the exhibit.

In the diagram, all routers are using IS-IS as their routing protocol. The number next to each link is its metric value.
What path will traffic follow from router R6 to router R3, and from router R3 to router R6?

A. Router R6 to router R3 will follow (R6-R5-R7-R4-R3). Router R3 to router R6 will follow (R3-R4-R7-R5-R6).
B. Router R6 to router R3 will follow (R6-R5-R2-R3). Router R3 to router R6 will follow (R3-R4-R2-R5-R6).
C. Router R6 to router R3 will follow (R6-R5-R2-R3). Router R3 to router R6 will follow (R3-R4-R7-R5-R6).
D. Router R6 to router R3 will follow (R6-R5-R2-R3). Router R3 to router R6 will follow (R3-R2-R5-R6).

Answer: D

Explanation:
The metric values between the routers dictate the routing paths, and IS-IS will calculate the shortest path based on these values.
R6 to R3: The path from R6 to R3 will go through R5 and R2, as this route has the least cumulative metric (10 + 10 + 15 = 35).
R3 to R6: The reverse path from R3 to R6 will follow R3 → R2 → R5 → R6 because this route is also the shortest with a total metric of 10 + 10 + 10 = 30.

NEW QUESTION # 35
......

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