4A0-C04 Exam Questions & Answers
Nokia NRS II Composite Exam: OSPF version • Nokia
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About 4A0-C04 Exam
The 4A0-C04 Nokia NRS II Composite Exam focuses on OSPF version routing protocols and is designed for networking professionals seeking to validate their expertise in Nokia's routing and switching solutions. This certification exam covers critical topics including OSPF fundamentals, network design principles, configuration management, and advanced troubleshooting techniques. Candidates will be tested on their ability to implement and maintain robust OSPF networks while demonstrating proficiency with Nokia's network routing systems. The 4A0-C04 exam is ideal for network engineers, system administrators, and IT professionals who work with Nokia equipment and want to enhance their career prospects through industry-recognized certification credentials.
Success on the 4A0-C04 exam requires comprehensive preparation, and updated exam dumps combined with practice tests are invaluable study resources. High-quality practice tests simulate the actual exam environment, allowing candidates to familiarize themselves with question formats and time constraints while identifying knowledge gaps. Updated exam dumps provide access to current and relevant exam content, ensuring candidates study material that reflects the latest Nokia OSPF implementations and best practices. By utilizing these preparation tools, candidates can build confidence, improve retention of complex networking concepts, and significantly increase their chances of passing the certification exam on their first attempt.
Exam Topics & Objectives
4-Week Study Plan for 4A0-C04
Week 1: OSPF Routing Protocol Fundamentals
- Study OSPF protocol overview, versions, and packet types (Hello, DBD, LSR, LSU, LSAck)
- Review OSPF network types and adjacency establishment process
- Master Link State Advertisement (LSA) types 1-7 and their purposes
- Practice OSPF router ID selection and election mechanisms
- Configure basic OSPF areas (backbone area 0, regular areas, stub areas)
- Study DR/BDR election process and designated router functions
- Review metric calculation and SPF algorithm fundamentals
- Complete practice questions on OSPF timers and convergence
Week 2: OSPF Advanced Topics and Border Gateway Protocol Fundamentals
- Study OSPF area types: stub, totally stubby, NSSA, and totally NSSA areas
- Master route summarization and filtering techniques in OSPF
- Review virtual links and OSPF authentication (clear text and MD5)
- Study BGP basics: ASN, peering, EBGP vs IBGP relationships
- Review BGP message types and BGP finite state machine
- Master BGP path attributes: origin, AS-PATH, next-hop, local preference, MED
- Configure basic BGP adjacencies and policy routing
- Practice BGP route selection and best path algorithm
Week 3: Multiprotocol Label Switching and Integration
- Study MPLS fundamentals: labels, label stacks, and forwarding equivalence classes
- Review MPLS architecture and label distribution protocols (LDP, RSVP-TE)
- Master Label Distribution Protocol (LDP) discovery and adjacency modes
- Study MPLS Traffic Engineering concepts and constraint-based routing
- Review OSPF as IGP for MPLS networks and label propagation
- Master BGP and OSPF interaction in MPLS environments
- Study Virtual Private Networks (VPNs) and MPLS VPN architecture
- Practice MPLS troubleshooting and verification commands on Nokia platforms
Week 4: Services Architecture and Exam Preparation
- Study Nokia Services Architecture and service provisioning models
- Review service types: L2, L3, multicast services in Nokia environment
- Master integration of OSPF, BGP, and MPLS in service delivery networks
- Study Quality of Service (QoS) requirements for services on Nokia platforms
- Review Nokia-specific implementation of OSPF, BGP, and MPLS features
- Practice Nokia CLI syntax and configuration verification for all protocols
- Complete full-length practice exams covering all four subject areas
- Review weak areas from practice tests and complete final review of key concepts
Sample 4A0-C04 Questions
Practice with real exam-style questions. Reveal answers to verify your knowledge.
Which of the following is NOT a BGP message type?
Click the exhibit button.
What triggers convergence of the routing protocol when the link between switch 1 and switch 2 goes down?
On which object is ADSPEC enabled?
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?
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?
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