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| Certification Vendor: | Nokia |
|---|---|
| Exam Name: | Nokia 5G RAN Network Operations Expert |
| Exam Number: | NRN-522 |
| Passing Score: | 70% |
| Exam Duration: | 90 minutes |
| Exam Price: | 250 USD |
| Related Certifications: | Nokia Certified 5G RAN Field Operations Expert Nokia Certified 5G RAN Design Expert Nokia Certified 5G RAN Optimization Expert |
| Available Languages: | English |
| Real Exam Qty: | 55-65 |
| Exam Format: | Drag and Drop, Multiple Choice, Scenario-based |
| Certificate Validity Period: | 3 years |
| Recommended Training: | Nokia 5G RAN Network Operations Training Course |
| Exam Registration: | Pearson VUE Nokia Training & Certification Portal |
| 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 is an essential step for individuals who are looking to become experts in 5G network operations. Nokia 5G RAN Network Operations Expert certification is recognized globally and is considered a valuable asset for those seeking to advance their careers in the field of telecommunications. By passing NRN-522 exam, professionals can demonstrate their knowledge of 5G RAN operations and maintenance, which is an increasingly important skill in the rapidly evolving telecommunications industry. The Nokia NRN-522 Exam is a rigorous and comprehensive assessment of an individual's skills and knowledge in 5G RAN network operations, and passing the exam is a significant achievement for any professional in this field.
NEW QUESTION # 72
A NOC engineer increases the configuredMaxTxPower parameter for a 5G cell as part of a coverage improvement initiative. What is the most likely operational consequence of this change?
Answer: B
Explanation:
The configuredMaxTxPower parameter sets the maximum transmit power level the cell is permitted to use for its downlink transmissions, including reference signals and traffic channels. Increasing this value generally allows the cell's signal to reach further and penetrate obstacles more effectively, potentially expanding the effective coverage area and improving signal quality for UEs at the cell edge. However, because radio signals do not respect cell boundaries, a higher transmit power also means the cell's signal will be stronger when received by UEs and sensors in neighboring cell areas, which can increase co-channel or adjacent-channel interference - particularly relevant in dense deployments where cells are closely spaced. This trade-off means power changes should be planned carefully and their impact monitored through KPIs such as SINR and throughput in both the target cell and its neighbors. The parameter has no direct effect on software version, bandwidth configuration, or neighbor relation status, which are governed independently.
NEW QUESTION # 73
What is the role of the Managed Object Model (MOM) in Nokia's RAN configuration management framework?
Answer: A
Explanation:
The Managed Object Model (MOM) defines the structured, hierarchical representation of all configurable entities within the network - such as network elements, their subordinate functional units, cells, and the individual parameters associated with each object - along with the relationships between them. Configuration management tools, including NetAct CM applications, rely on the MOM to know what objects exist, what parameters each object type supports, valid value ranges, and how objects relate to one another (for example, a cell object existing as a child of a baseband equipment object). Understanding the MOM is important for NOC engineers performing configuration changes, since it determines where a given parameter resides within the object hierarchy and what other objects or parameters might be affected by a change. The MOM is a configuration management construct and is unrelated to physical cabling documentation, alarm history (a fault management function), or software upgrade packages (a software lifecycle management function).
NEW QUESTION # 74
What is the function of the p-Max parameter broadcast by a 5G cell?
Answer: D
Explanation:
The p-Max parameter is broadcast as part of the cell's system information and specifies the maximum transmit power a UE is allowed to use when transmitting on the uplink within that cell. This is a key input to the UE's uplink power control algorithm and serves several purposes: it helps manage uplink interference toward neighboring cells (particularly important in dense deployments or where uplink interference from high-power UEs could degrade performance for users in adjacent cells), and it can also be used to comply with regulatory power limits for a given frequency band or deployment scenario. This parameter governs UE behavior on the uplink and is distinct from configuredMaxTxPower, which governs the gNB's own downlink transmit power. It also has no relationship to the maximum number of connected UEs (a capacity/licensing consideration) or to the cell's configured bandwidth, which are controlled by separate parameters entirely.
NEW QUESTION # 75
A KPI tracks the percentage of established connections or sessions that end abnormally ('dropped') rather than through a normal release procedure. Which KPI category does this belong to?
Answer: C
Explanation:
Retainability KPIs measure whether connections or sessions that have been successfully established remain stable and are terminated through normal procedures, rather than ending abnormally (a 'drop'). A high abnormal release/drop rate indicates retainability problems - subscribers may experience calls or data sessions ending unexpectedly mid-use, significantly impacting user experience even when the initial connection (accessibility) succeeded. This differs from Accessibility, which measures the success of the initial connection attempt; Mobility, which specifically measures handover performance; and Availability, which measures whether a cell or site is in service over time. Retainability degradation can result from radio link failures, interference, transport instability, or hardware issues affecting an already-active connection. NOC engineers monitoring retainability KPIs focus on the stability of in-progress sessions, a key contributor to overall subscriber-perceived quality of service.
NEW QUESTION # 76
Following completion of a hardware replacement and remote piloting activity, which combination of checks represents the most complete final verification before the NOC engineer closes out the activity as successful?
Answer: A
Explanation:
A complete final verification after a hardware replacement and remote piloting activity should confirm multiple dimensions of the site's restored operational state. This includes checking that alarms directly related to the replaced component and the maintenance activity itself have cleared as expected (with any remaining alarms understood and unrelated to the activity), confirming the affected cell has been unlocked and successfully returned to an in-service state, verifying that relevant communication links - such as CPRI
/eCPRI links to RF units or the AISG bus connection to antenna line devices - report normal status, and reviewing short-term performance indicators to confirm they are consistent with the site's established baseline, indicating the cell is performing as expected under real traffic. Only this combination provides genuine assurance that the activity was successful end-to-end. Administrative details like tool packing, serial number matching against shipping records (while useful for inventory purposes), and weather conditions do not address whether the network element is actually functioning correctly.
NEW QUESTION # 77
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