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Actual 4A0-112 Nokia IS-IS Routing Protocol Exam Questions with accurate answers
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In order to take the Nokia 4A0-112 certification exam, you'll need to have a solid foundation in networking concepts and familiarize yourself with Nokia's routing portfolio. 4A0-112 exam covers a wide range of topics, including IS-IS theory, protocol operation, configuration, and troubleshooting. Additionally, you'll need to have experience working with Nokia routers and switches, as many of the exam questions are situation-based.
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.
Nokia 4A0-112 Exam is a comprehensive exam that tests the candidate's knowledge and skillset in all aspects of IS-IS routing protocols. 4A0-112 exam consists of multiple-choice questions, simulations, and scenarios that test the candidate's ability to troubleshoot complex network issues. 4A0-112 exam is challenging and requires candidates to have a deep understanding of IS-IS protocols and Nokia devices.
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The Nokia 4A0-112 certification exam offers a great opportunity for Nokia professionals to demonstrate their expertise and knowledge level. In return, they can become competitive and updated with the latest technologies and trends. To do this they just need to enroll in Nokia IS-IS Routing Protocol (4A0-112) certification exam and have to put all efforts and resources to pass this challenging 4A0-112 exam. You should also keep in mind that to get success in the Nokia 4A0-112 exam is not an easy task.
Nokia IS-IS Routing Protocol Sample Questions (Q20-Q25):
NEW QUESTION # 20
What is the replacement for ARP in IPv6?
- A. Router discovery procedures.
- B. Stateless address auto-configuration procedures.
- C. Duplicate address detection procedures.
- D. Neighbor discovery procedures.
Answer: D
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 # 21
Refer to the exhibit.
Static routing is to be used in a network between a corporate head office and a branch office. The head office has many connected subnetworks, whereas the branch office has one subnetwork and a single connection to the head office. Which of the following is the most likely configuration on the head office and branch office routers?
- A. The head office has a default route and the branch office has a specific static route.
- B. The head office and the branch offices both have specific static routes.
- C. The head office and the branch office both have default routes.
- D. The head office has a specific static route and the branch office has a default route.
Answer: A
Explanation:
The head office has many connected subnetworks, so it will typically have a default route to forward traffic to the branch office (or external networks), since it may not need to define static routes for each branch network.
The branch office, which has only one subnetwork and a single connection to the head office, will have a specific static route to reach the head office subnet or other subnets at the head office, since it only needs to know the specific route to reach the head office's network.
NEW QUESTION # 22
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. Control Processing Module (CMP)
- C. Input/Output Module (IOM)
- D. Switch Fabric (SF)
Answer: C
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 # 23
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-R7-R5-R6).
- B. Router R6 to router R3 will follow (R6-R5-R7-R4-R3). Router R3 to router R6 will follow (R3-R4-R7-R5-R6).
- C. Router R6 to router R3 will follow (R6-R5-R2-R3). Router R3 to router R6 will follow (R3-R2-R5-R6).
- D. Router R6 to router R3 will follow (R6-R5-R2-R3). Router R3 to router R6 will follow (R3-R4-R2-R5-R6).
Answer: C
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 # 24
Which of the following statements about router interfaces on a Nokia 7750 SR is FALSE?
- A. The system interface exists by default.
- B. They can be used in pairs on the same subnet for redundancy.
- C. They can be logical or physical.
- D. They can be assigned IPv4 and/or IPv6 addresses.
Answer: B
Explanation:
Typically, interfaces on a Nokia 7750 SR router are not configured in pairs on the same subnet for redundancy. Instead, redundancy is achieved through mechanisms like Virtual Router Redundancy Protocol (VRRP) or other high availability protocols, not by simply using interfaces in pairs on the same subnet.
NEW QUESTION # 25
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