What is the 4A0-C04 certification exam and what does it cover?

The 4A0-C04 is a Nokia NRS II Composite Exam that focuses on Open Shortest Path First (OSPF) protocol knowledge and implementation. This exam validates expertise in OSPF routing, network design, and configuration on Nokia SR OS platforms.

Who should take the 4A0-C04 exam?

Network engineers, system administrators, and IT professionals working with Nokia service routing solutions should consider taking this exam. It is particularly relevant for those seeking to validate their OSPF expertise and advance their Nokia certification credentials.

What are the prerequisites for taking the 4A0-C04 exam?

While Nokia recommends foundational networking knowledge and hands-on experience with OSPF and SR OS, there are no strict formal prerequisites. Candidates should have practical experience with routing protocols and ideally have completed relevant Nokia training courses.

How long is the 4A0-C04 exam and what is the passing score?

The exam typically consists of multiple-choice questions and requires a passing score of around 65-70% (specific requirements may vary). The exam duration is generally 90 minutes, allowing sufficient time to answer all questions thoroughly.

What resources are available to prepare for the 4A0-C04 exam?

Nokia offers official training courses, study guides, and documentation specifically designed for NRS II certification. Candidates can also benefit from hands-on lab practice, vendor-provided learning materials, and third-party study resources focused on OSPF and SR OS.

Free Nokia 4A0-C04 Exam Questions

Practice with real exam-style questions, each with the verified correct answer and explanation.

Q1 MultipleChoice

Which of the following is NOT a BGP message type?

Correct Answer: B

Q2 MultipleChoice

Click the exhibit button.

What triggers convergence of the routing protocol when the link between switch 1 and switch 2 goes down?

AConvergence is triggered when the adjacency between routers R1 and R2 drops as a result of Hello timeouts. At this point, both routers R1 and R2 re-compute their link state database and send updates to their adjacent routers. Once the process is complete for all routers, the networks have converged.

BConvergence is triggered when the physical interfaces between routers R1 and R2 go down. At this point, both routers R1 and R2 re-compute their link state database and send updates to their adjacent routers. Once the process is complete for all routers, the networks have converged.

CConvergence will not be triggered because switches cannot run routing protocols between them.

DConvergence is triggered when the switches notify the routers about the link state information. At this point, both routers R1 and R2 re-compute their link state database and send updates to their adjacent routers. Once the process is complete for all routers, the networks have converged

EConvergence is triggered when an LSA is sent from router R1 to router R2 to indicate that the link is down. At this point, both routers R1 and R2 re-compute their link state database and send updates to their adjacent routers. Once the process is complete for all routers, the networks have converged.

Correct Answer: A

Q3 MultipleChoice

On which object is ADSPEC enabled?

Correct Answer: C

Q4 MultipleChoice

Click the exhibit.

Router R6 is a route reflector with clients R1, R2 and R5. Router R3 advertises the prefix 192.168.1.0/27 to routers R1, R2 and R5. How many routes for prefix 192.168.1.0/27 will router R6 receive?

DNone

Correct Answer: C

Q5 MultipleChoice

Initially, all ports on an Nokia 7750 SR have 10Gbps bandwidth. RSVP configuration limits reservable bandwidth to 30 percent on all interfaces. An LSP is signaled reserving 1 Gbps bandwidth. How much unreserved bandwidth is left on the interface?

A10 Gbps

B7 Gbps

C3 Gbps

D2 Gbps

Correct Answer: D

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