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Nokia 4A0-112 Well Prep, 4A0-112 Reliable Exam Bootcamp

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Nokia 4A0-112 Certification Exam is designed to test the knowledge and skills of IT professionals in the area of IS-IS routing protocol. 4A0-112 exam is ideal for those who wish to enhance their expertise in Nokia’s networking solutions and demonstrate their proficiency in configuring, maintaining and troubleshooting IS-IS networks. Nokia IS-IS Routing Protocol certification is recognized globally and helps professionals to advance in their careers.

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Nokia 4A0-112 exam is a comprehensive certification that covers a wide range of topics related to the IS-IS routing protocol. Some of these topics include the IS-IS routing algorithm, network topology, IS-IS configuration options, and troubleshooting techniques. Candidates who pass the exam can demonstrate their ability to manage complex networks using IS-IS, and are more likely to be sought after by organizations looking for qualified network administrators.

Nokia 4A0-112 Exam is a comprehensive test that covers a variety of topics related to the Nokia IS-IS Routing Protocol. 4A0-112 exam covers areas such as protocol operation, configuration, troubleshooting, and optimization. Candidates are expected to have a deep understanding of the protocol, including its features, functionality, and implementation. Successful candidates are expected to be able to design, implement, and manage IS-IS networks in complex environments.

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

NEW QUESTION # 39
A new router is added to a broadcast network. What does IS-IS use as the tiebreaker for selecting the DIS if the priorities are the same?

A. The router with the highest interface MAC address.
B. The router with the highest system ID.
C. The Hello packet with the highest sequence number.
D. The existing DIS remains the DIS.

Answer: B

Explanation:
In IS-IS, the Designated Intermediate System (DIS) is responsible for certain tasks on broadcast networks, such as generating link-state advertisements and acting as the central point for flooding information.

NEW QUESTION # 40
Which component of the Nokia 7750 SR is in charge of performing the longest prefix match lookup on packets that arrive on the physical interfaces?

A. Input/Output Module (IOM)
B. Control Processing Module (CMP)
C. Media Dependent Adapter (MDA)
D. Switch Fabric (SF)

Answer: A

Explanation:
The Input/Output Module (IOM) is responsible for performing the longest prefix match (LPM) lookup on packets that arrive at the physical interfaces. The IOM performs this function by examining the destination IP address of incoming packets and using the routing table to determine the best match.

NEW QUESTION # 41
What is the replacement for ARP in IPv6?

A. Stateless address auto-configuration procedures.
B. Neighbor discovery procedures.
C. Duplicate address detection procedures.
D. Router discovery procedures.

Answer: B

Explanation:
In IPv6, the Neighbor Discovery Protocol (NDP) replaces the Address Resolution Protocol (ARP) used in IPv4. NDP is responsible for several functions, including resolving IP addresses to MAC addresses (similar to ARP), detecting duplicate IP addresses, and discovering other devices on the network.

NEW QUESTION # 42
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 # 43
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 forwarding database contains the optimum next hop for each known prefix.
D. The link-state database is the same for all routers.

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 # 44
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