- Exam Code: 4A0-106
- Exam Name: Nokia Virtual Private Routed Networks
- Updated: Aug 30, 2026
- Q & A: 215 Questions and Answers
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| Section | Objectives |
|---|---|
| MPLS and Transport Technologies | - MPLS forwarding and label switching - LSP setup and traffic engineering basics |
| Service Quality and Operations | - QoS in MPLS VPN environments - Troubleshooting VPRN services |
| Routing Protocols in VPN Environments | - BGP for VPN route exchange - OSPF and static routing integration |
| VPRN Services | - Virtual Private Routed Network (VPRN) architecture - Service provisioning and configuration concepts |
| VPN Fundamentals | - Routing-based VPN models - IP VPN concepts and architectures |
Nokia Virtual Private Routed Networks is an official certification exam from Nokia, identified by the exam code 4A0-106. Pass it and you hold the Nokia Service Routing Certification (SRC) certification. It also feeds into related credentials, including Nokia Service Routing Architect (SRA), Nokia Service Routing Certification (SRC). In practical terms, this certification tells employers your skills have been measured against the vendor's own standard, which is why certified candidates tend to stand out in hiring and promotion decisions.
Recommended understanding of IP networking, routing protocols, and MPLS fundamentals.
Because vendors update their policies without much fanfare, verify the latest entry requirements before you book.
Nokia lists the following recommended training for Nokia Virtual Private Routed Networks candidates.
Courses teach the concepts; repetition makes them exam-ready. Round out whichever training you pick with the 215 practice questions from Actual4Dumps, and each topic stops being theory and starts being points.
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The Nokia Virtual Private Routed Networks blueprint spans 5 domains. The ones carrying the most weight include Routing Protocols in VPN Environments, VPN Fundamentals, and MPLS and Transport Technologies. The complete domain-by-domain breakdown is in the exam topics section above; treat it as your master checklist and let the weights tell you where your study hours earn the most.
Question 1
In a Carrier Supporting Carrier (CSC) VPRN, which of the following is a benefit to the network provider?
A. The ability to manage end-customer services.
B. The solution scales as the number of serviced customer carriers increases.
C. No need to build and maintain its own backbone.
D. The solution scales as the number of VPNs offered by the customer carriers increases.
Question 2
Where are VPN-IPv4 addresses used in a VPRN?
A. In the routing updates exchanged from P to PE
B. In the routing updates exchanged from CE to PE
C. In customer packets as they traverse the provider core
D. In the routing updates exchanged from PE to PE
E. In all route tables of the VPRN control plane
Question 3
Click the exhibit.
Assuming that the as-override command is used, what is the most likely location of prefix 10.1.2.0/24?
A. There is a single Autonomous System between the local AS and the AS that originated the prefix.
B. The prefix is located in an Autonomous System directly connected to this router.
C. The prefix is located in Autonomous System 65100.
D. There are two Autonomous Systems between the local AS and the AS that originated the prefix.
Question 4
Which of the following about Carrier Supporting Carrier (CSC) VPRN is FALSE?
A. The customer carrier provides VPN or Internet services to its end-customers.
B. CSC is also known as carrier's carrier or carrier serving carrier.
C. A CSC VPRN is configured on the customer carrier's CSC-CE routers.
D. CSC eliminates the need for customer carriers to build and maintain their own MPLS backbone.
Question 5
Choose the best answer to describe the result of the configuration of an Nokia 7750 SR shown below?
A. The PE will install a maximum of 40 prefixes into the customer vrf, and generate a log message both when 30 and 41 routes are received
B. The PE will install a maximum of 40 prefixes into the customer vrf, generate a log message when 10 routes are received and drop the connection at 41
C. The PE will install a maximum of 40 prefixes into the customer vrf and generate a log message when 40 routes are received
D. The PE will install a maximum of 40 prefixes into the customer vrf, generate a log message when 4 routes are received and disable learning of new routes at 41
E. The PE will install a maximum of 40 prefixes into the customer vrf, generate a log message when 10 routes are received and disable learning of new routes at 41
Solutions:
| Question 1 Answer: D | Question 2 Answer: D | Question 3 Answer: A | Question 4 Answer: C | Question 5 Answer: D |
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