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Nokia NRN-522 Certification Exam is an online exam that consists of multiple-choice questions. Participants have three hours to complete the exam, and a passing score of 70% or higher is required to earn the certification. Nokia 5G RAN Network Operations Expert certification is valid for three years and can be renewed by passing the renewal exam or by participating in Nokia's continuing education program.
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Nokia NRN-522 Exam is designed to test the expertise of network professionals in operating Nokia 5G RAN (Radio Access Network) technology. Nokia is a global leader in the telecom industry, and its 5G RAN technology is at the forefront of innovation, enabling faster speeds, lower latency, and higher capacity. Therefore, passing NRN-522 Exam is a testament to one's proficiency in operating and maintaining this advanced technology.
NEW QUESTION # 96
Handover Success Rate is a KPI primarily used to assess which aspect of network performance?
Answer: B
Explanation:
Handover Success Rate measures the percentage of handover attempts - where a UE's connection is transferred from one cell to another, typically as the subscriber moves through the coverage area - that complete successfully without dropping the connection. This KPI falls under the Mobility category of performance management, which assesses how effectively the network maintains service continuity as users move, including intra-frequency, inter-frequency, and inter-RAT mobility procedures such as those involved in 4G-to-5G EN-DC configurations. Poor handover success rates can result from issues such as incorrect or missing neighbor relations, insufficient coverage overlap between cells, interference, or misconfigured handover thresholds and parameters. This KPI is unrelated to software version compliance (tracked through software inventory and management), backup file integrity (a software lifecycle concern), or NetAct license utilization (an administrative matter) - it is specifically a mobility indicator used to detect handover-related degradation affecting users in motion.
NEW QUESTION # 97
After a field engineer physically replaces a Remote Electrical Tilt (RET) antenna actuator, what remote verification should the NOC engineer perform to confirm the new unit is properly integrated?
Answer: B
Explanation:
Remote Electrical Tilt (RET) units are Antenna Line Devices (ALDs) that communicate with the base station over the Antenna Interface Standards Group (AISG) bus. After a physical RET replacement, the appropriate remote verification is to confirm that the new device is discovered on the AISG bus, that it is communicating correctly with the base station's controller, and that its current tilt position can be read remotely and that tilt adjustment commands are correctly applied and reflected back. This confirms both the physical connectivity (cabling/bus communication) and functional operability (motor and position feedback) of the replaced unit.
The unit's color is irrelevant to functional verification, and while serial number changes are expected with replacement (a new unit will naturally have a different serial number, which should simply be recorded for inventory purposes), it is not itself a functional check. NR-ARFCN relates to radio carrier frequency configuration and has no relationship to RET device verification.
NEW QUESTION # 98
Which alarm severity level generally requires the MOST urgent NOC response under standard SLA-based prioritization?
Answer: C
Explanation:
In the standard alarm severity model used across telecom Fault Management systems, including NetAct, Critical alarms represent the highest severity, typically indicating a total or near-total loss of service, capability, or capacity with immediate and significant impact on subscribers - for example, a complete cell or site outage. Because of this severe impact, Critical alarms require the most urgent NOC response and are governed by the tightest response and resolution timeframes among all severity levels in most operational SLAs. Major alarms indicate serious degradation requiring prompt, though slightly less immediate, action.
Minor alarms represent non-service-affecting issues that should be addressed to prevent escalation, and Warning alarms are typically informational or preventive, requiring the least urgency. Correctly prioritizing Critical alarms above all others ensures NOC resources focus first on the issues with the greatest impact on network availability and customer experience.
NEW QUESTION # 99
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: A
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 # 100
A 'High VSWR' (Voltage Standing Wave Ratio) alarm is raised on an RF unit's antenna branch. What does this alarm typically indicate a problem with?
Answer: B
Explanation:
Voltage Standing Wave Ratio (VSWR) measures how efficiently RF energy transmitted by the radio unit is delivered into the antenna system versus being reflected back due to an impedance mismatch. A High VSWR alarm indicates a significant mismatch on a particular antenna branch or port, commonly caused by issues such as a damaged or loose feeder cable connection, a faulty or improperly seated RF connector, moisture
/water ingress into a connector, or physical damage to an antenna element. This is a radio-frequency hardware issue on the affected branch and is entirely unrelated to NetAct server storage, core network mobility functions, or billing systems. For NOC engineers, a persistent High VSWR alarm typically signals that a field visit may be needed to inspect and repair the physical RF connections or replace damaged hardware on that antenna line, since it is a physical-layer condition not resolvable through remote configuration alone.
NEW QUESTION # 101
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