4A0-112 Latest Exam Tips, Latest Test 4A0-112 Experience

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Nokia 4A0-112 certification exam is an excellent opportunity to deepen your knowledge of network routing protocols and take your career to the next level. With the demand for network professionals on the rise, becoming certified in IS-IS is an investment in your future that can pay dividends for years to come.

Nokia 4A0-112 exam is designed to test the knowledge and skills of networking professionals in the Nokia IS-IS routing protocol. The IS-IS protocol is widely used in large and complex networks, particularly in service provider environments. As such, the Nokia 4A0-112 Exam is an important certification for professionals seeking to advance their career in network engineering or architecture.

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Nokia 4A0-112 Certification Exam is a valuable credential for network professionals who work with the Nokia IS-IS routing protocol. Nokia IS-IS Routing Protocol certification demonstrates a candidate's expertise in designing, configuring, and maintaining IS-IS networks. Candidates who pass the exam are recognized globally as experts in routing protocols, and their certification is highly valued in the telecommunications industry.

Nokia IS-IS Routing Protocol Sample Questions (Q10-Q15):

NEW QUESTION # 10
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 and the branch offices both have specific static routes.
B. The head office has a specific static route and the branch office has a default route.
C. The head office and the branch office both have default routes.
D. The head office has a default route and the branch office has a specific static route.

Answer: D

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 # 11
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 R2 but not on router R1.
B. Route leaking is configured on router R1 but not on router R2.
C. There is no route leaking configured on router R1 or router R2.
D. Route leaking is configured on both routers R1 and R2.

Answer: D

Explanation:
From the route tables of R3 and R4, we can see that remote routes are present, with R3 and R4 both having routes referencing routers in different areas (Area 49.01 and 49.02). These remote routes are characteristic of route leaking, which is the process of sharing routes between different IS-IS areas.
R3 has routes for R1, R2, and R4, which are in Area 49.01, suggesting that R1 and R2 have advertised their routes to R3, possibly due to route leaking.
R4 has similar routes for R2 and R3, indicating that R2 might have advertised its routes to R4.
This sharing of routes between areas is indicative of route leaking being configured on both R1 and R2, allowing these routes to be shared across the areas.

NEW QUESTION # 12
A series of actions are triggered on a router as a result of enabling both loopfree-alternate for a link-state routing protocol and ip-fast-reroute. Which of the following is NOT one of those actions?

A. Calculating a backup next hop for each known IP prefix, if it exists, that would not create a routing loop if used without informing other routers.
B. Installing two entries in the FIB for IP prefixes, one active and one in standby mode.
C. Calculating the shortest-path next hop for each known IP prefix.
D. Enabling the router to locally repair the active path to an IP prefix in case of failure.

Answer: C

NEW QUESTION # 13
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 forwarding database contains the optimum next hop for each known prefix.
B. The adjacency database contains information about all the links interconnecting the domain's routers.
C. The link-state database is the same for all routers.
D. The link-state database has the local topology and IP reachability information advertised by all the 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 # 14
Refer to the exhibit.

Routers R1 through R4 are running an IGP in such a way that they have each other's system IP addresses in their routing tables. A static route is configured on router R1 so that it can reach subnetwork 10.4.100.0/24. The network administrator decides to use an indirect static route, as shown in the diagram. However, pinging the server from router R1 fails. What may be the problem in this case?

A. Router R3 drops the echo request because it does not have subnet 10.4.100.0/24 in its routing table.
B. Router R2 drops the echo request because it does not have subnet 10.4.100.0/24 in its routing table.
C. The echo request arrives at the server but there is no path for the echo response to return to router R1.
D. Router R1 drops the echo request because address 10.10.10.3 does not belong to an adjacent router.

Answer: C

Explanation:
The static route configured on router R1 uses an indirect next-hop, which is 10.10.10.3 (R3). While the echo request from R1 reaches the server through the IGP, the problem lies in the return path for the echo response.
The route 10.4.100.0/24 is reachable through R3, but there is no reciprocal route in R3's routing table that allows the response to flow back towards R1. This results in a failure to return the echo response to R1, causing the ping to fail.

NEW QUESTION # 15
......

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