Exam Name: Nokia OSPF Routing Protocol Exam
Certification Provider: Nokia
Corresponding Certification: Nokia Network Routing Specialist II (NRS II)
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Nokia 4A0-113 Exam Overview:
| Certification Vendor: | Nokia |
|---|---|
| Exam Name: | OSPF Routing Protocol |
| Exam Number: | 4A0-113 |
| Related Certifications: | Nokia Service Routing Specialist (SRS) Nokia Service Routing Associate (SRA) |
| Exam Format: | Scenario-based Questions, Multiple Choice |
| Available Languages: | English |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Computer-based exam (online or authorized test center depending on region) |
| Pre Condition: | Basic IP routing and networking knowledge recommended; familiarity with Nokia SR OS or service routing concepts is beneficial. |
Nokia 4A0-113 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| OSPF Fundamentals | - Link-state concepts and SPF algorithm - OSPF overview and routing protocol characteristics |
| OSPF Area Types and Design | - Route summarization between areas - Backbone area (Area 0) requirements - Standard, stub, totally stubby, and NSSA areas |
| OSPF Route Calculation and Optimization | - SPF calculation process - Cost metric and path selection - Equal-cost multipath (ECMP) |
| OSPF LSAs and Database | - LSA types and flooding mechanisms - Link-state database (LSDB) structure |
| Troubleshooting and Operations | - Routing table verification and diagnostics - LSDB inconsistencies - Neighbor adjacency issues |
| Advanced OSPF Features | - Route redistribution - Virtual links - Authentication mechanisms |
| OSPF Neighbor Relationships | - DR and BDR election process - Adjacency states and database synchronization - Hello protocol and neighbor discovery |
Answers to the Most Common Questions About Nokia OSPF Routing Protocol
The 4A0-113 exam is the official Nokia exam for Nokia OSPF Routing Protocol. Passing it earns you the Nokia Service Routing Certification (SRC) credential, which sits at the Professional level. It is also connected to Nokia Service Routing Associate (SRA), Nokia Service Routing Specialist (SRS), so what you learn carries over if you plan to pursue those paths as well. Employers treat the certification as verified proof of skill, which is why structured preparation with 2Pass4sure's practice questions pays off.
Basic IP routing and networking knowledge recommended; familiarity with Nokia SR OS or service routing concepts is beneficial. Eligibility details can change, so before you register, confirm the current requirements on the official exam page.
You can book the 4A0-113 exam through the official registration channels below:
Exam delivery method: Computer-based exam (online or authorized test center depending on region).
Nokia points candidates to the following official training options:
Once the coursework has built your foundation, the fastest way to turn theory into exam readiness is drilling with 2Pass4sure's 106 practice questions for the Nokia OSPF Routing Protocol exam.
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The official Nokia OSPF Routing Protocol blueprint is organized into 7 domains. The leading areas are:
- Troubleshooting and Operations
- OSPF Route Calculation and Optimization
- OSPF Area Types and Design
For the complete domain-by-domain breakdown with every subtopic, see the Exam Topics outline above.
Nokia OSPF Routing Protocol Sample Questions:
Question 1
Click the exhibit button.
What triggers convergence of the routing protocol when the link between switch 1 and switch 2 goes down?
A. Convergence 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.
B. Convergence 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.
C. Convergence 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.
D. Convergence will not be triggered because switches cannot run routing protocols between them.
E. Convergence 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.
Question 2
Which of the LSA types stay within an OSPF area and are not exported outside of the area? (Choose all that apply)
A. Summary Router LSA
B. Router LSA
C. Network LSA
D. Summary Network LSA
Question 3
What is the default inbound metric for RIP on the Nokia 7750 SR?
A. This must be administratively set as there is no default value.
B. A value of 15.
C. Whatever the advertised metric happens to be.
D. A value of 1.
Question 4
Which of the following cannot be used as a matching criterion in route policy statements?
A. Protocol type
B. Prefix list
C. Source IP address
D. TCP source port
Question 5
What is the protocol number for OSPF in the IP header?
A. OSPF uses UDP, so the protocol number is 17.
B. OSPF has its own protocol number of 89.
C. OSPF does not use IP.
D. OSPF uses TCP, so the protocol number is 6.
Solutions:
| Question 1 Answer: A | Question 2 Answer: B,C | Question 3 Answer: C | Question 4 Answer: D | Question 5 Answer: B |
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