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| Certification Vendor: | Nokia |
|---|---|
| Exam Name: | Nokia 5G RAN Network Operations Expert |
| Exam Number: | NRN-522 |
| Certificate Validity Period: | 3 years |
| Passing Score: | 70% |
| Exam Format: | Scenario-based, Drag and Drop, Multiple Choice |
| Related Certifications: | Nokia Certified 5G RAN Field Operations Expert Nokia Certified 5G RAN Design Expert Nokia Certified 5G RAN Optimization Expert |
| Exam Duration: | 90 minutes |
| Exam Price: | 250 USD |
| Available Languages: | English |
| Real Exam Qty: | 55-65 |
| Recommended Training: | Nokia 5G RAN Network Operations Training Course |
| Exam Registration: | Nokia Training & Certification Portal Pearson VUE |
| Sample Questions: | Nokia NRN-522 Sample Questions |
| Exam Way: | Online proctored or onsite at authorized test centers |
| Pre Condition: | Recommended: Nokia Certified 5G RAN Professional level certification or equivalent experience; no mandatory prerequisites |
| Official Syllabus URL: | https://www.nokia.com/networks/training/5g/ran/certifications/expert/ |
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Nokia NRN-522 certification exam covers a range of topics related to 5G RAN network operations, including network configuration, performance optimization, troubleshooting, and network security. NRN-522 exam is designed to test the candidate's ability to identify and resolve issues related to 5G RAN networks, as well as their knowledge of industry best practices and standards. Upon successful completion of the exam, candidates will be recognized as Nokia NRN-522 certified professionals, which can help to enhance their career prospects and provide them with a competitive edge in the job market.
The Nokia NRN-522 exam consists of multiple-choice questions and is conducted online. The duration of the exam is two hours, and candidates must achieve a minimum score of 70% to pass. NRN-522 Exam covers a wide range of topics related to 5G RAN network operations, including network planning, deployment, performance optimization, and troubleshooting.
Nokia NRN-522 Certification Exam is a vendor-specific certification that focuses on the Nokia 5G RAN network. It is designed to verify the skills and knowledge of professionals who work with Nokia 5G RAN networks. NRN-522 exam consists of 60 multiple-choice questions, and candidates have 90 minutes to complete it. To pass the exam, candidates must score at least 70%. NRN-522 exam is available in English and can be taken at any Pearson VUE testing center around the world. Successful candidates will receive a Nokia 5G RAN Network Operations Expert certification, which is valid for three years.
NEW QUESTION # 24
During remote piloting of a RET replacement, the field engineer reports that the new RET unit is physically connected, but the NOC engineer cannot detect it during an AISG device scan, while other ALDs on the same antenna line are detected normally. What is a likely cause the NOC engineer should consider?
Answer: B
Explanation:
When other Antenna Line Devices on the same AISG bus are detected normally but a newly connected device is not, two likely causes should be considered. First, AISG devices are addressed individually on the shared bus, and if the new RET unit has a factory-default or previously configured address that conflicts with an address already in use by another device on the same line, it may fail to respond correctly during discovery due to this addressing conflict. Second, despite being reported as 'physically connected,' there may be a faulty or incomplete connection specific to that device's bus connection point - such as a loose connector at the device itself - that does not affect the other devices already established on the line. The NOC engineer should work with the field engineer to check for addressing conflicts (potentially requiring the new device's address to be changed) and to verify its specific bus connection. RET tilt range, NR-ARFCN, and Tracking Area Code have no relevance to AISG device discovery issues.
NEW QUESTION # 25
During a remote piloting session, what communication practice is most important for the NOC engineer and field engineer to follow to ensure tasks are completed safely and correctly?
Answer: D
Explanation:
Effective remote piloting depends on clear, step-by-step communication where each action - whether performed by the field engineer physically or the NOC engineer remotely - is confirmed as complete before the next dependent step proceeds. This sequential confirmation approach ensures that both parties maintain an accurate, shared understanding of the site's current state at every point in the procedure, which is critical for both safety (for example, confirming a cell is locked before physical work begins near an antenna) and technical correctness (for example, confirming a physical connection has been made before the NOC engineer attempts to verify it remotely). Providing all instructions upfront without ongoing confirmation risks steps being missed, performed out of order, or performed before prerequisite conditions are met. Relying solely on non-real-time communication such as email is impractical for time-sensitive coordination, and allowing the field engineer to proceed entirely independently removes the collaborative verification that makes remote piloting effective and safe.
NEW QUESTION # 26
During a remote piloting activity, the NOC engineer and field engineer are unable to bring a replaced RF unit into service despite following standard verification and troubleshooting steps, and a hardware fault on the new unit itself is suspected. What is the most appropriate next step?
Answer: A
Explanation:
When standard remote troubleshooting and on-site verification steps have been exhausted and a hardware fault on the newly installed unit itself is suspected, continuing to repeat the same steps is unlikely to be productive and delays resolution. The appropriate next step is to escalate the issue to the next level of support
- which may be a specialized technical support team or the equipment vendor's technical assistance center - providing clear documentation of what steps have already been performed, the specific symptoms observed (such as particular alarm codes or link status indications), and the basis for suspecting a hardware fault on the new unit. This documentation allows the receiving team to avoid repeating already-completed steps and to focus on deeper diagnosis, which may lead to confirming a defective unit and arranging a further replacement. Leaving the site without resolution or communication abandons the activity in an incomplete state, and deleting the cell's configuration would not address a suspected hardware defect and would create additional, unnecessary recovery work.
NEW QUESTION # 27
When configuring NR-NR (5G-to-5G) neighbor relations to support mobility between two 5G cells operating on different frequency bands, which type of neighbor relation must be established?
Answer: D
Explanation:
When two 5G NR cells operate on different frequency bands (or different carrier frequencies within the same band), mobility between them requires an inter-frequency neighbor relation to be configured. This relation must include the necessary frequency information identifying the target carrier, along with measurement configuration parameters that instruct the UE when and how to measure the candidate target frequency - since, unlike intra-frequency measurements, inter-frequency measurements typically require measurement gaps and are not performed continuously by the UE. An intra-frequency neighbor relation would only be appropriate if both cells operated on the same carrier frequency, which is not the case here. Inter-band 5G-to-
5G handovers are not automatic without configuration; the network must explicitly define the relation and measurement parameters to enable the UE to detect and report the target cell. EN-DC relations are specifically for LTE-NR dual connectivity scenarios and are unrelated to NR-NR mobility between two 5G cells.
NEW QUESTION # 28
Cell Availability KPI is typically calculated based on which factor?
Answer: A
Explanation:
Cell Availability is a KPI that reflects the proportion of time during a measurement period that a cell is actually capable of carrying traffic - that is, it is not blocked by an active fault condition or an administrative lock (an intentional disable for maintenance). It is typically expressed as a percentage of total elapsed time, with downtime due to either faults or planned outages subtracted from the period considered. This KPI provides a high-level view of how reliably a cell has been able to serve subscribers over time, and sustained low availability for a particular cell would prompt investigation into recurring faults or excessive planned outages. It is unrelated to the number of active NetAct user sessions, the count of software upgrades performed (although upgrades may contribute to planned downtime), or signal strength reported by an individual UE, which is a radio measurement rather than a network-wide availability statistic.
NEW QUESTION # 29
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