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Additional NRS I Resources and Information

There are several SRC Program resources available to help participants prepare for the NRS I written exam:

  • Nokia Scalable IP Networks Class: You can register to attend a class in person or attend one of our online classes.
  • Nokia Scalable IP Networks Self-Study Guide: This eBook contains all the study material you need to prepare for your written exam and includes the Student Lab Guide
  • Nokia Scalable IP Networks Practice Exam: Test your knowledge and readiness to write the Nokia Scalable IP Networks written exam (Exam #4A0-100) by completing this 60 question practice exam. The exam will not only help you gauge your readiness for writing the exam but it will also help you prepare for the exam by answering each of the 60 practice questions. Correct answers to each question are provided at the end of the exam.
  • My SR Lab: My SR Lab provides remote, private access to a service router lab that can be used to complete the lab exercises contained in the student lab guides. Visit the SRC Self-paced Learning Program website to learn more about all of our self-paced learning resources

NRS I certification is valid for three years. Participants will need to complete the NRS I recertification requirements to maintain a valid certification. Recertification requirements are available at

Candidates who obtain an Nokia Service Routing Certification will receive a certification diploma. In addition to the certification diplomas, individuals who pass a minimum of two exams from the SRC Program will receive a personalized SRC Exam Progress Plaque. Each time you pass an SRC exam, you will receive the associated exam tile to add to the plaque acknowledging your successful exam activity.

Diplomas and the SRC program recognition tiles and plaque  are distributed within two months of a participant's SRC exam activity. Ensure that your mailing address is correct by verifying, and if necessary, updating your profile with on the SRC Student Portal at

Diplomas are sent by regular mail and recognition tiles and plaque are sent by courier.

If you have questions regarding the status of your diploma or exam progress plaque/exam tile shipment, send your inquiries via the SRC Student Portal using the Contact Us link.