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Nokia NRN-522 Exam is a computer-based test that consists of multiple-choice questions. To pass the exam, candidates must achieve a score of at least 70%. NRN-522 exam duration is 90 minutes, and candidates must complete all questions within this time frame. NRN-522 exam fee varies by country and can be paid online through the Nokia website.
Nokia NRN-522 (Nokia 5G RAN Network Operations Expert) Certification Exam is a professional certification exam for individuals who are seeking to validate their expertise in managing and operating 5G RAN networks. Nokia 5G RAN Network Operations Expert certification is designed to test the candidate's knowledge and skills in various aspects of 5G RAN network operations, including planning, deployment, optimization, and troubleshooting.
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Nokia NRN-522: Nokia 5G RAN Network Operations Expert Exam is an essential certification for individuals involved in the deployment, configuration, and maintenance of Nokia 5G RAN networks. Nokia 5G RAN Network Operations Expert certification validates the candidate's expertise in 5G RAN network operations, which can open up new career opportunities and provide a competitive edge in the job market. NRN-522 Exam covers a wide range of topics, ensuring that individuals have a thorough understanding of 5G RAN network operations and can effectively manage and troubleshoot issues that may arise.
NEW QUESTION # 27
Which statement correctly describes how OandM (management) traffic and user-plane traffic (e.g., NG-U/N3) are typically handled on the transport network connecting an AirScale BTS?
Answer: C
Explanation:
For security, isolation, and quality-of-service reasons, AirScale base stations typically separate Operations and Maintenance (O and M) traffic from user-plane traffic (such as NG-U/N3 in 5G or S1-U in 4G) using distinct VLANs and/or IP addressing on the transport network. This separation ensures that configuration commands, alarm reporting, and software transfers travel on a logically isolated path from subscriber data, reducing the risk that issues or attacks affecting the user-plane path could impact management connectivity, and allowing each traffic type to be independently prioritized and monitored. It is incorrect that they must share identical addressing, that O and M cannot use IP (modern AirScale O and M is IP-based and typically carried over the same physical transport with logical separation), or that user-plane traffic configuration is unrelated to transport - transport interface parameters configured via NetAct CM directly determine how user-plane traffic is carried.
NEW QUESTION # 28
Why does Nokia recommend configuring automatic session timeout (inactivity logout) for remote management sessions to AirScale base stations?
Answer: B
Explanation:
Automatic session timeout is a fundamental security control for remote management sessions. If an engineer leaves an authenticated session open and unattended - for example, stepping away from a workstation - anyone with physical or logical access to that workstation could potentially view sensitive configuration data or, more seriously, make unauthorized changes to a live base station, which could impact network stability, security, or subscriber service. Automatically terminating idle sessions after a defined inactivity period minimizes this exposure window. This control is unrelated to site power consumption and does not cause the base station itself to restart - only the management session is closed, while the BTS continues normal operation. It also has no effect on a cell's radio coverage area, which is determined entirely by RF design and configuration parameters such as transmit power and antenna settings.
NEW QUESTION # 29
A NOC engineer observes that a 5G cell's average downlink user throughput has dropped significantly, but the cell's PRB utilization remains low and no transport alarms are active. Which root cause is most consistent with these observations?
Answer: B
Explanation:
When PRB utilization is low, the cell is not resource-constrained, which rules out congestion as the cause of reduced throughput. A complete transport failure or an administrative lock would prevent the cell from carrying any traffic at all, which contradicts the scenario where the cell is still active and reporting measurements. The most consistent explanation is degraded radio conditions - for example, increased interference, reduced signal-to-noise ratio (SINR), or coverage issues - which force the scheduler to select lower-order Modulation and Coding Scheme (MCS) values for connected users. Lower MCS values mean each allocated resource block carries fewer bits, directly reducing achievable throughput even though plenty of PRB capacity remains available. Investigating MCS distribution counters and SINR-related measurements alongside checking for nearby interference sources or antenna/feeder issues would be the appropriate next troubleshooting step.
NEW QUESTION # 30
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: C
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 # 31
A NOC engineer notices that UEs in a cell are triggering handovers to a neighboring cell and then quickly handing back, repeating this cycle (a 'ping-pong' pattern). Which parameter adjustment is most likely to help reduce this behavior?
Answer: D
Explanation:
Ping-pong handovers occur when a UE repeatedly hands over back and forth between two cells, often because the signal levels of both cells are very close to each other near the cell boundary, causing the handover trigger condition to be met in alternating directions in quick succession. Handover events (such as an A3 event, where a neighbor's signal becomes a defined offset better than the serving cell) include configurable hysteresis and time-to-trigger parameters. Increasing the hysteresis margin requires a more substantial and sustained signal difference before a handover is triggered, while increasing the time-to- trigger requires the condition to be met for a longer continuous duration before the measurement report is sent. Both adjustments reduce sensitivity to short-term signal fluctuations, directly addressing ping-ponging.
Disabling the neighbor relation would prevent legitimate handovers entirely, harming mobility performance; changing PCI values or bandwidth does not address the underlying signal-level trigger sensitivity that causes ping-pong behavior.
NEW QUESTION # 32
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