2025 Exam Questions 4A0-112 Vce 100% Pass | Efficient 4A0-112: Nokia IS-IS Routing Protocol 100% Pass

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Nokia 4A0-112 certification exam is a crucial step for professionals who wish to establish themselves as experts in the field of network routing. Nokia IS-IS Routing Protocol certification exam focuses on the Nokia IS-IS Routing Protocol, which is a widely-used protocol for efficient and scalable routing in large networks. Successfully passing 4A0-112 exam demonstrates a candidate's ability to design, deploy, and troubleshoot networks that use the Nokia IS-IS Routing Protocol.

Nokia 4A0-112 certification exam is a professional-level certification that focuses on the Nokia IS-IS routing protocol. 4A0-112 Exam is designed for network professionals who are responsible for designing, configuring, and maintaining large-scale service provider networks. The Nokia IS-IS routing protocol is widely used in service provider networks to provide fast and efficient routing of IP packets. With this certification, network professionals can demonstrate their expertise in Nokia IS-IS routing protocol and their ability to deploy and manage large-scale service provider networks.

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Nokia 4A0-112 Certification Exam is a valuable credential for network professionals who want to demonstrate their expertise in IS-IS routing. Nokia IS-IS Routing Protocol certification is recognized globally and demonstrates a thorough understanding of the Nokia Service Router portfolio. It also validates the ability to design and implement complex network solutions using the IS-IS routing protocol.

Nokia IS-IS Routing Protocol Sample Questions (Q37-Q42):

NEW QUESTION # 37
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. Media Dependent Adapter (MDA)
B. Switch Fabric (SF)
C. Control Processing Module (CMP)
D. Input/Output Module (IOM)

Answer: D

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 # 38
Which of the following is NOT a required configuration step to successfully run IS-IS on a router?

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

Answer: C

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 # 39
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 link-state database has the local topology and IP reachability information advertised by all the routers.
B. The adjacency database contains information about all the links interconnecting the domain's 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: B

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 # 40
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 destination MAC address.
B. It uses the routing table to find a match for the destination IP address.
C. It uses the ARP table to find a match for the source MAC address.
D. It uses the routing table to find a match for the source IP address.

Answer: B

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 # 41
A router is trying to establish an IS-IS adjacency with the DIS on a broadcast link. What event causes the adjacency to change from "Initializing" to "UP"?

A. Receiving a Hello packet from the DIS that contains the local router's own MAC address in the neighbor list.
B. Receiving the first CSNP packet from the DIS that lists the LSPs in the DIS's link-state database.
C. Receiving the last LSP requested from the DIS.
D. Receiving a CSNP packet from the DIS acknowledging the last transmitted LSP.

Answer: B

Explanation:
The process of establishing an IS-IS adjacency on a broadcast link involves several steps, and the transition from the Initializing state to the UP state occurs when both routers exchange sufficient information to confirm they have a consistent view of the link-state database.
The CSNP (Complete Sequence Number PDU) packet is used to advertise the list of LSPs in the router's link-state database. When a router receives the first CSNP from the DIS (Designated Intermediate System) that lists the LSPs in the DIS's database, it indicates that the router has enough information to establish the adjacency and synchronize its database.

NEW QUESTION # 42
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2025 Exam Questions 4A0-112 Vce 100% Pass | Efficient 4A0-112: Nokia IS-IS Routing Protocol 100% Pass

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Nokia IS-IS Routing Protocol Sample Questions (Q37-Q42):

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