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Nokia NRN-522 exam covers a wide range of topics related to 5G RAN network operations, including small cells, beamforming, massive MIMO, network slicing, network orchestration, cloud-native RAN, and more. NRN-522 Exam consists of multiple-choice questions and performance-based questions that test the candidate's ability to identify and troubleshoot network issues.
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The NRN-522 Certification Exam consists of multiple-choice questions that assess the candidate's understanding of 5G RAN network principles, protocols, and technologies. NRN-522 exam also evaluates the candidate's ability to design, deploy, configure, and optimize 5G RAN networks. Nokia 5G RAN Network Operations Expert certification is suitable for network engineers, administrators, and technicians who are responsible for managing 5G RAN networks.
NEW QUESTION # 24
In NetAct Performance Management, what is the standard default Result Output Period (ROP) used for collecting and reporting most cell-level performance measurement counters?
Answer: C
Explanation:
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.
NEW QUESTION # 25
Which KPI category does the RRC Connection Setup Success Rate primarily belong to, and what does a sustained drop in this KPI typically indicate?
Answer: C
Explanation:
The RRC Connection Setup Success Rate is one of the primary Accessibility KPIs, measuring how reliably User Equipment (UE) can successfully establish a Radio Resource Control connection with the network when attempting to access services. A sustained decline in this KPI indicates that a meaningful proportion of connection attempts are failing before the UE even reaches an active signaling state, which directly impacts a subscriber's ability to begin a session. Common causes include radio interference, congestion-related admission control rejections, configuration errors affecting random access or initial signaling parameters, or hardware faults on the baseband or RF units. This differs from Mobility KPIs (which assess handover performance for already-connected UEs), Integrity KPIs (which assess throughput and quality during an active session), and Availability KPIs (which assess whether the cell itself is in service). Accessibility issues should be prioritized since they affect every subscriber attempting to use the cell.
NEW QUESTION # 26
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: B
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 # 27
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 # 28
What is the purpose of a NetAct configuration/network audit tool in remote operations?
Answer: B
Explanation:
A NetAct configuration (network) audit tool compares the parameter values currently deployed on live network elements against a defined reference or baseline configuration - sometimes called a golden configuration or template - and reports any deviations or inconsistencies found. This is highly valuable for remote operations because it can detect unauthorized or accidental configuration changes, configuration drift following maintenance activities, or sites that failed to receive an intended bulk update correctly, all without requiring a physical site visit. It directly supports standard provisioning workflows by allowing engineers to confirm that planned configuration changes were applied correctly and consistently across all targeted base stations. The tool does not perform physical inspection of cabinets (a field activity), does not measure power consumption (handled by environmental/equipment monitoring functions), and is not used to produce marketing material - its scope is strictly configuration verification within the OAM domain.
NEW QUESTION # 29
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