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Nokia NRN-522 exam is designed to validate the knowledge and skills of network engineers involved in the operations, maintenance, and troubleshooting of Nokiaโs 5G Radio Access Network. NRN-522 exam is intended for professionals who possess a solid understanding of 5G technology, principles, and architectures, and who are capable of configuring, monitoring, and optimizing the performance of Nokiaโs 5G RAN elements.
Nokia NRN-522 (Nokia 5G RAN Network Operations Expert) exam is designed to test the skills and knowledge of professionals who are responsible for managing and maintaining 5G Radio Access Network (RAN) operations. Nokia 5G RAN Network Operations Expert certification exam is an essential requirement for those who aspire to become a Nokia 5G RAN Network Operations Expert.
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Nokia NRN-522 (Nokia 5G RAN Network Operations Expert) Certification Exam is designed for professionals who are looking to validate their skills and knowledge in 5G RAN network operations. Nokia 5G RAN Network Operations Expert certification exam is designed to test the proficiency of candidates in operating, maintaining, and troubleshooting 5G RAN networks. The Nokia NRN-522 Certification is a globally recognized certification that can help professionals stand out in the job market.
NEW QUESTION # 101
A field team is planning a site visit to investigate a persistent coverage issue and requests information from the NOC to help prepare. What information can the NOC engineer most usefully provide to support this site survey?
Answer: C
Explanation:
When a field team is preparing to investigate a persistent coverage issue, remotely available operational data can significantly improve the efficiency and focus of their site visit. The NOC engineer can provide the current configuration of the affected cell (including parameters such as transmit power, tilt settings, and azimuth where available), a review of recent alarm history to identify any recurring or unresolved fault indications, and relevant performance data such as RSRP/SINR distributions and throughput trends, which can help characterize the nature of the coverage issue (for example, distinguishing a coverage gap from an interference problem) before the field team arrives. This context allows the field team to prioritize their investigation - for example, focusing on antenna alignment if tilt/azimuth data looks unusual, or focusing on potential external interference sources if SINR is poor despite adequate RSRP. Subscriber personal information, equipment purchase records, and data about unrelated sites would not provide relevant technical context for this investigation.
NEW QUESTION # 102
Accessibility KPIs such as RRC Connection Setup Success Rate drop sharply for a single cell, while neighboring cells remain normal. What should the NOC engineer check FIRST?
Answer: B
Explanation:
When accessibility KPIs such as RRC Connection Setup Success Rate drop sharply for one specific cell while neighboring cells remain normal, the most productive investigation focuses on factors specific to that cell:
reviewing recent alarms (hardware, transport, or synchronization faults affecting only that cell) and checking the configuration management audit trail for any recent parameter change, neighbor relation update, or feature activation that coincided with the KPI drop. Because the issue is localized to a single cell rather than affecting the surrounding area broadly, it is unlikely to be caused by something network-wide such as handset operating system versions used nationwide, and it is entirely unrelated to the billing system or NetAct dashboard appearance settings. Correlating the timing of the KPI degradation with that cell's alarm history and recent CM changes is a standard, effective root-cause approach for localized accessibility issues.
NEW QUESTION # 103
A NOC engineer notices that a cell's PRB (Physical Resource Block) utilization is consistently above 90% during peak hours. What does this MOST LIKELY indicate?
Answer: D
Explanation:
PRB (Physical Resource Block) utilization represents the proportion of a cell's available radio resources that are actively being used to carry traffic at a given time. Consistently high PRB utilization (for example, above
90%) during peak hours indicates the cell is approaching, or already experiencing, capacity congestion - there is little to no spare radio capacity to allocate to new or existing users during busy periods. This can directly affect throughput-related (Integrity) KPIs, since users may receive fewer resources than under lighter load, and can also impact accessibility if the cell becomes unable to admit new connections. This condition does not indicate a hardware failure - the cell is clearly operating and carrying significant traffic - is unrelated to PCI configuration, which is an identification parameter rather than a capacity indicator, and has no relationship to NetAct database storage. High PRB utilization is a capacity signal that may prompt load balancing, optimization, or capacity expansion actions.
NEW QUESTION # 104
What does an 'Antenna Line Device (ALD) fault' alarm on an AirScale cell typically indicate?
Answer: D
Explanation:
Antenna Line Devices (ALDs) include components such as Remote Electrical Tilt (RET) controllers, which allow remote adjustment of antenna downtilt, and Tower-Mounted Amplifiers (TMAs), which improve uplink sensitivity by amplifying received signals near the antenna. These devices communicate with the BTS over an AISG (Antenna Interface Standards Group) bus. An ALD fault alarm indicates a problem with one of these antenna-line components or their communication link - for example, a RET controller not responding to commands, a configuration mismatch, or a power/connectivity issue on the AISG bus. This is unrelated to the NetAct database, software licensing, or any core network issue. Recognizing this alarm correctly scopes the problem to antenna-line equipment, which may be resolvable remotely (re-querying or reconfiguring the device) or may require a field technician to inspect AISG cabling or replace the faulty ALD if remote actions fail.
NEW QUESTION # 105
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 # 106
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