4A0-112 free download dumps & 4A0-112 passleader study torrent
4A0-112 free download dumps & 4A0-112 passleader study torrent
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Nokia 4A0-112 exam is designed to assess the skills and knowledge of IT professionals in the area of Intermediary System to Intermediate System (IS-IS) routing protocol. Nokia IS-IS Routing Protocol certification exam is a prerequisite for those who intend to earn the Nokia Service Routing Architect (SRA) certification, which is a highly valued credential in the networking industry. The Nokia 4A0-112 Exam covers a wide range of topics, including IS-IS fundamentals, IS-IS routing protocol operations, network topology and design, and advanced IS-IS features.
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Nokia 4A0-112 certification exam is designed for professionals who want to validate their expertise in configuring, managing, and troubleshooting the Nokia IS-IS (Intermediate System to Intermediate System) routing protocol. Nokia IS-IS Routing Protocol certification exam is ideal for network engineers, system architects, and IT professionals who work with Nokia routers and switches in their organizations. The Nokia 4A0-112 Certification will validate your knowledge and skills in implementing and maintaining the IS-IS protocol, understanding the various IS-IS components, and configuring the Nokia network to support IS-IS routing.
Nokia IS-IS Routing Protocol Sample Questions (Q12-Q17):
NEW QUESTION # 12
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. Fewer routers are required to handle the same amount of traffic, as compared to a single-area domain.
- B. Route tables can be reduced by summarizing the IP prefixes advertised between areas.
- C. Detailed topology information is only shared among routers within the same area, thus reducing the complexity of the SPF calculation.
- D. Less-capable routers can be isolated from having to keep track of IP prefixes that are external to the local routing domain.
Answer: A
Explanation:
Dividing a domain into areas typically does not reduce the number of routers needed to handle traffic. It is more focused on improving scalability, reducing the size of routing tables, and limiting the scope of SPF calculations, but it doesn't inherently reduce the number of routers required.
NEW QUESTION # 13
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-R2-R3). Router R3 to router R6 will follow (R3-R4-R2-R5-R6).
- B. Router R6 to router R3 will follow (R6-R5-R2-R3). Router R3 to router R6 will follow (R3-R2-R5-R6).
- C. Router R6 to router R3 will follow (R6-R5-R7-R4-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-R4-R7-R5-R6).
Answer: B
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 # 14
Refer to the exhibit.
In the IS-IS network shown, router R1 has been configured to summarize subnetworks 20.20.1.0/24 and 20.20.2.0/24 as 20.20.0.0/16. Which routers' routing tables will be reduced, compared to their routing tables before the summarization?
- A. Router R1
- B. Router R2
- C. Routers R1 and R2
- D. Routers R2 and R4
Answer: B
Explanation:
Router R1 is the one that performs the summarization of the two subnets (20.20.1.0/24 and 20.20.2.0/24) into the summarized route 20.20.0.0/16. However, R1 itself will not see any change in its routing table because it is directly connected to both subnets and already knows about them.
Router R2, which is in Area 49.0002, will benefit from this summarization because it previously had separate routes for both 20.20.1.0/24 and 20.20.2.0/24. After the summarization, R2 will only need to maintain a single route to 20.20.0.0/16, reducing the size of its routing table.
Router R4 does not directly benefit from the summarization because it is only connected to the Level 1 network and has no need for the summarized routes from R1. Thus, the summarization does not affect R4's routing table.
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: D
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
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. The configured next hop does not belong to a subnet adjacent to R1.
- B. The configured static route needs to be a default route.
- C. Router R2 needs a static route to the PC.
- D. Router R1 needs a static route to router R2.
Answer: A
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 # 17
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