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| Certification Vendor: | Nokia |
|---|---|
| Exam Name: | Nokia 5G RAN Network Operations Expert |
| Exam Number: | NRN-522 |
| Certificate Validity Period: | 3 years |
| Exam Price: | 250 USD |
| Passing Score: | 70% |
| Related Certifications: | Nokia Certified 5G RAN Design Expert Nokia Certified 5G RAN Optimization Expert Nokia Certified 5G RAN Field Operations Expert |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 55-65 |
| Exam Format: | Multiple Choice, Scenario-based, Drag and Drop |
| Available Languages: | English |
| 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/ |
Unser It-Pruefung ist eine fachliche IT-Website. Ihre Erfolgsquote beträgt 100%. Viele Kandidaten haben das schon bewiesen. Weil wir ein riesiges IT-Expertenteam hat, das nach ihren fachlichen Erfahrungen und Kenntnissen die Nokia NRN-522 Prüfungsfragen und Antworten bearbeitet, um die Interessen der Kandidaten zu schützen und zugleich ihren Bedürfnisse abzudecken. Nach den Bedürfnissen der Kandidaten haben sie zielgerichtete und anwendbare Schulungsmaterialien entworfen, nämlich die Schulungsunterlagen zur Nokia NRN-522 Zertifizierungsprüfung, die Fragen und Antworten enthalten.
Die Nokia NRN-522-Prüfung soll das Know-how von Netzwerkfachleuten im Betrieb von Nokia 5G Ran (Radio Access Network) -Technologie (Radio Access Network) testen. Nokia ist weltweit führend in der Telekommunikationsbranche, und seine 5G -Technologie steht im Vordergrund der Innovation und ermöglicht schnellere Geschwindigkeiten, niedrigere Latenz und höhere Kapazitäten. Daher ist das Bestehen dieser Prüfung ein Beweis für die eigenen Fähigkeiten in Bezug auf den Betrieb und die Aufrechterhaltung dieser fortschrittlichen Technologie.
93. Frage
A NOC engineer is investigating subscriber complaints of being unable to access data services even though their devices show a strong 5G signal and successfully camp on the cell. Which KPI should the engineer examine first to determine whether the issue lies in establishing the data bearer itself?
Antwort: D
Begründung:
If a device successfully camps on a cell and shows strong signal levels but cannot access data services, the issue most likely lies beyond the initial radio connection - specifically in establishing the data bearer (PDU session in 5G, analogous to E-RAB in 4G) required to carry user-plane traffic to the core network. The PDU Session/E-RAB Setup Success Rate KPI directly measures how often these bearer establishment procedures succeed, and a low value points to problems such as core network signaling failures, transport issues toward the user-plane gateway, configuration mismatches, or resource allocation failures at the RAN. Cell Availability simply confirms the cell is operational, Handover Success Rate is only relevant once a session is active and mobility occurs, and strong RSRP only confirms good radio coverage - none of these directly explain a failure to establish the data session itself, making the PDU Session/E-RAB Setup Success Rate the correct first KPI to examine.
94. Frage
Before issuing any remote commands during a piloting session that will affect a specific cell at a multi-sector site, what verification is critical for the NOC engineer to perform to avoid unintended impact?
Antwort: C
Begründung:
At multi-sector sites, or in environments where many similarly named cells exist across a large network, there is a meaningful risk that a NOC engineer could inadvertently issue a remote command - such as locking a cell, adjusting a parameter, or initiating a reset - against the wrong sector or even the wrong site if identifiers are not carefully verified. Before taking any action that affects a specific cell during a piloting session, the NOC engineer should explicitly confirm with the field engineer (and against system records) that the site, sector, and cell identifiers being acted upon correspond exactly to the physical location and equipment the field engineer is working on. This verification step is a critical safeguard against unintended service impact to unrelated cells or sites, which could create a second, unrelated outage on top of the planned activity. The remaining options are entirely unrelated to technical verification and have no bearing on safely executing remote piloting commands.
95. Frage
A remote 5G site has redundant transport paths (primary and backup) providing OandM connectivity to NetAct. What is the main operational benefit of this redundancy?
Antwort: D
Begründung:
Providing dual or redundant transport paths for O and M connectivity increases the resilience of remote management. If the primary backhaul link fails - for example, due to a fiber cut or a microwave link outage - the base station can continue to report alarms and performance data, and remain reachable for configuration changes via the secondary path, preserving the Operations Center's visibility and control without requiring a site visit purely to restore management connectivity. This redundancy specifically benefits the continuity of monitoring and management functions. It has no effect on a cell's radio coverage area, which depends on RF design parameters such as transmit power, antenna configuration, and frequency band, nor does it relate to spectrum-sharing arrangements between operators. It also does not eliminate the ongoing need for periodic software updates and patching, which remain a separate lifecycle management activity.
96. Frage
In NetAct Performance Management, what is the standard default Result Output Period (ROP) used for collecting and reporting most cell-level performance measurement counters?
Antwort: D
Begründung:
The default Result Output Period (ROP) for performance management counters in Nokia's RAN solution is 15 minutes. This interval provides a practical balance between granularity and system load: it is short enough to allow NOC engineers to detect emerging issues, congestion trends, and KPI fluctuations close to real time, while not generating an unmanageable volume of measurement data that would overwhelm storage and processing resources in NetAct. Fifteen-minute granularity is widely used as the basis for accessibility, retainability, mobility, integrity, and availability KPI formulas, and is the standard interval referenced in performance dashboards and automated reports. While other reporting intervals (such as 1 hour or 24 hours) can be configured for specific measurement jobs or long-term trend analysis, the 15-minute ROP remains the operational baseline for day-to-day RAN performance monitoring and troubleshooting activities performed by remote operations teams.
97. Frage
How do NetAct and the AirScale BTS local Element Manager (Site Manager) typically relate to each other in day-to-day remote operations?
Antwort: B
Begründung:
NetAct provides a consolidated, network-wide view of alarms, performance, configuration, and software status for all managed base stations, enabling efficient centralized operations at scale - this is the day-to-day tool for NOC monitoring and bulk provisioning. The BTS Site Manager (Element Manager) complements NetAct by providing detailed, element-specific access for situations requiring deep local diagnostics, such as reviewing local hardware status, logs, or actions not yet reflected centrally, or when central connectivity to a site is degraded. These two tools work together rather than as substitutes for one another. NetAct supports Nokia's Single RAN concept across 2G, 3G, 4G, and 5G technologies on shared hardware, so describing it as
2G/3G-only is incorrect, and the Element Manager is scoped to a single element rather than managing multiple sites network-wide, which is NetAct's role.
98. Frage
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NRN-522 Online Praxisprüfung: https://www.it-pruefung.com/NRN-522.html