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Pass Guaranteed Quiz Nokia - 4A0-112 - High-quality Free Nokia IS-IS Routing Protocol Pdf Guide

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As one of the most widely used routing protocols, IS-IS is a critical component in the field of networking. It is known for its ability to handle large-scale networks with multiple routers, making it a popular choice for service provider networks. The Nokia 4A0-112 Exam focuses on the core concepts of IS-IS, including its operation, configuration, and optimization.

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Quiz Nokia - 4A0-112 - Nokia IS-IS Routing Protocol –Valid Free Pdf Guide

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Nokia IS-IS Routing Protocol Sample Questions (Q11-Q16):

NEW QUESTION # 11
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. Control Processing Module (CMP)
B. Switch Fabric (SF)
C. Media Dependent Adapter (MDA)
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 # 12
What is the replacement for ARP in IPv6?

A. Duplicate address detection procedures.
B. Router discovery procedures.
C. Stateless address auto-configuration 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 # 13
When multiple routing protocols offer a route for the same prefix, what part of the router is in charge of deciding which route to make active?

A. The routing table manager (RTM)
B. The routing information base (RIB)
C. The forwarding information base (FIB)
D. The equal cost multipath configuration

Answer: A

Explanation:
The routing table manager (RTM) is responsible for selecting the best route when multiple routing protocols provide a route for the same destination prefix. It makes the decision on which route to add to the routing table based on the administrative distance, metric, and other criteria.

NEW QUESTION # 14
Which of the following is NOT a required configuration step to successfully run IS-IS on a router?

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

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 # 15
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. Router R1 needs a static route to router R2.
B. Router R2 needs a static route to the PC.
C. The configured static route needs to be a default route.
D. The configured next hop does not belong to a subnet adjacent to R1.

Answer: D

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 # 16
......

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