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New Nokia IS-IS Routing Protocol Actual Test - 4A0-112 Updated Torrent & Nokia IS-IS Routing Protocol Practice Pdf

Pass4Test Nokia IS-IS Routing Protocol (4A0-112) exam dumps save your study and preparation time. Our experts have added hundreds of Nokia IS-IS Routing Protocol (4A0-112) questions similar to the real exam. You can prepare for the Nokia IS-IS Routing Protocol (4A0-112) exam dumps during your job. You don't need to visit the market or any store because Pass4Test Nokia 4A0-112 exam questions are easily accessible from the website.

Nokia 4A0-112 Exam is an essential certification for IT professionals seeking to enhance their skills and knowledge on the Nokia IS-IS Routing Protocol. 4A0-112 exam tests the candidates on various aspects of the protocol, including its configuration, operation, and troubleshooting. Nokia IS-IS Routing Protocol certification is highly valued in the telecommunications industry and offers a competitive advantage to professionals who hold it.

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Nokia 4A0-112 certification exam covers a broad range of topics related to IS-IS routing, including protocol fundamentals, configuration and verification, advanced features, and troubleshooting. You will be tested on your ability to design and implement IS-IS networks, optimize routing performance, and troubleshoot common issues. 4A0-112 Exam also evaluates your knowledge of related technologies such as OSPF, BGP, and MPLS.

Nokia IS-IS Routing Protocol Sample Questions (Q39-Q44):

NEW QUESTION # 39
Two IS-IS neighboring routers are trying to establish an adjacency, but the interface has been configured as broadcast on one of them and as point-to-point on the other. Why is the adjacency not established?

A. The routers do not agree on the result of the DIS election.
B. The routers discard the received Hello messages because they are not the expected type: LAN Hello vs point-to-point Hello.
C. The routers do not receive each other's Hello messages because they listen for messages transmitted to different multicast IP addresses.
D. The routers do not receive each other's Hello messages because they listen for messages transmitted to different multicast MAC addresses.

Answer: B

Explanation:
IS-IS routers use different types of Hello messages depending on whether the interface is configured as a broadcast (LAN) or point-to-point (P2P) link.
On a broadcast network (e.g., Ethernet), IS-IS routers use LAN Hello packets to establish adjacencies.
On a point-to-point link, IS-IS uses point-to-point Hello packets.
If one router is configured for a broadcast interface and the other for point-to-point, they will exchange incompatible Hello packets, and as a result, neither router will accept the other's Hello messages, preventing the adjacency from being established.

NEW QUESTION # 40
Which of the following statements regarding the databases used by a link-state routing protocol in a single-are routing domain is FALSE?

A. The adjacency database contains information about all the links interconnecting the domain's routers.
B. The link-state database has the local topology and IP reachability information advertised by all the routers.
C. The link-state database is the same for all routers.
D. The forwarding database contains the optimum next hop for each known prefix.

Answer: A

Explanation:
The adjacency database contains information about the state of the router's adjacencies (i.e., the routers that it is directly connected to and has established a neighbor relationship with). It does not store information about all links in the domain; that information is stored in the link-state database.

NEW QUESTION # 41
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 # 42
Consider the exhibit.

All routers are running IS-IS with IPv6 support enabled. Based on the topology shown, and the route tables of routers R3 and R4, which of the following statements is TRUE?

A. Route leaking is configured on router R1 but not on router R2.
B. Route leaking is configured on router R2 but not on router R1.
C. Route leaking is configured on both routers R1 and R2.
D. There is no route leaking configured on router R1 or router R2.

Answer: C

Explanation:
Based on the IPv6 route table output for R3 and R4, we can see that the routers have remote routes listed as "Remote ISIS", indicating that the route is being advertised from a different area (area 49.01 or 49.02). This is a sign of route leaking, where routes from one area are being shared across areas.
The routes from R3 (level-1 router) are being advertised to R4 (level-1 router), and vice versa, with ISIS as the protocol. This implies that there is route leaking configured to allow information to pass between areas.

NEW QUESTION # 43
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. 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 neighbors are identified using their interface MAC addresses on broadcast Hello messages and using their system IDs on point-to-point Hello messages.
C. Broadcast Hello messages identify the elected designed IS (DIS) and point-to-point Hello messages do not.
D. The multicast MAC addresses to which the Hello messages are sent are different on broadcast interfaces and on point-to-point interfaces.

Answer: B

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 # 44
......

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