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By passing the Nokia NRN-522 exam, candidates can demonstrate their expertise in 5G RAN network operations and gain a competitive edge in the job market. Nokia 5G RAN Network Operations Expert certification can open up new career opportunities and help professionals advance to higher positions in the telecommunications industry. Additionally, the Nokia NRN-522 certification is recognized globally and is highly valued by employers in the telecommunications industry.
Nokia NRN-522 Certification Exam tests key knowledge and skills of candidates across various areas, including 5G network architecture, air interface protocols, network slicing, virtualization, and automation. Candidates will also be assessed on their ability to design and optimize 5G RAN networks, integrate and troubleshoot 5G network elements, and configure and manage network services.
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Nokia NRN-522 Certification Exam is designed for professionals who have experience in designing, planning, deploying, and optimizing 5G RAN networks. NRN-522 exam covers a wide range of topics, including 5G RAN architecture, radio access network design, 5G RAN performance optimization, and network troubleshooting. Nokia 5G RAN Network Operations Expert certification exam is aimed at professionals who are looking to enhance their technical skills and advance their careers in the field of 5G RAN network operations.
NEW QUESTION # 54
Cell Availability KPI is typically calculated based on which factor?
Answer: C
Explanation:
Cell Availability is a KPI that reflects the proportion of time during a measurement period that a cell is actually capable of carrying traffic - that is, it is not blocked by an active fault condition or an administrative lock (an intentional disable for maintenance). It is typically expressed as a percentage of total elapsed time, with downtime due to either faults or planned outages subtracted from the period considered. This KPI provides a high-level view of how reliably a cell has been able to serve subscribers over time, and sustained low availability for a particular cell would prompt investigation into recurring faults or excessive planned outages. It is unrelated to the number of active NetAct user sessions, the count of software upgrades performed (although upgrades may contribute to planned downtime), or signal strength reported by an individual UE, which is a radio measurement rather than a network-wide availability statistic.
NEW QUESTION # 55
A NOC engineer wants to confirm that a newly installed AirScale BTS has completed commissioning and is ready to carry live traffic. Which indicator provides this confirmation?
Answer: B
Explanation:
Commissioning brings a newly installed AirScale BTS under NetAct management, loads the correct software and configuration, and activates its cells. The definitive operational confirmation that commissioning is complete and the site is ready for live service is that the relevant cells show an unlocked (administratively enabled) state combined with an operational 'in service'/available status in NetAct, and there are no outstanding blocking faults or critical alarms preventing service. This combination of administrative and operational state, together with a clean alarm list, is what NOC engineers check before confirming a site is live. Appearing on a mapping tool, having fiber physically installed by the transport provider, or having power equipment installed are all useful prerequisite facts about the site's physical readiness, but none of them confirm that the RAN equipment itself has successfully completed commissioning and is carrying traffic.
NEW QUESTION # 56
Which NetAct Fault Management view should a NOC engineer use to see alarms that are currently outstanding and affecting the network, as opposed to alarms that have already been resolved?
Answer: B
Explanation:
The Active Alarms list in NetAct Fault Management displays alarms that are currently outstanding (uncleared) and affecting the network in real time, making it the primary view NOC engineers monitor to identify ongoing issues requiring attention and to prioritize response based on severity. The Alarm History
/Log, in contrast, contains records of past alarms - including those already cleared - which is useful for trend analysis, post-incident reviews, and identifying recurring or intermittent faults over time, but is not the appropriate view for real-time triage of current network health. PM Reports relate to performance counters and KPI trends, not fault/alarm conditions, and the Software Inventory view shows deployed software versions across elements rather than fault information. For day-to-day monitoring and prioritizing immediate response efforts, the Active Alarms list is the correct view.
NEW QUESTION # 57
A NOC team is investigating a degradation in E-RAB / QoS flow setup success rate for a specific gNB.
Which approach is MOST effective for identifying the root cause?
Answer: A
Explanation:
Investigating a degradation in E-RAB or 5G QoS flow setup success rate for a specific gNB is most effectively approached by correlating multiple data sources covering the affected time period: checking active alarms on that gNB (hardware, transport, or signaling faults), reviewing the configuration management audit trail for any recent parameter change that coincided with the degradation, and examining relevant performance counters such as resource availability/congestion indicators, transport interface statistics, and signaling success/failure counts. This multi-source correlation identifies whether the degradation stems from a hardware fault, a configuration error, a capacity constraint, or a transport issue, enabling targeted remediation. Reviewing only high-level summary reports lacks the technical granularity required. Restarting NetAct is a drastic, unfocused action unrelated to a single gNB's issue and risks disrupting network-wide monitoring. Assuming the cause is always subscriber devices, without first checking network-side data, skips the most relevant and controllable areas of investigation.
NEW QUESTION # 58
Which AirScale management tool allows an engineer to connect directly to a single base station for local-level configuration viewing and diagnostics, as opposed to network-wide centralized management?
Answer: B
Explanation:
The BTS Site Manager, also referred to as the local Element Manager, is the tool used to connect directly to an individual AirScale base station to view its local configuration, hardware inventory, logs, and run element- level diagnostics. It is typically used when an engineer needs granular, site-specific information that may not be fully visible through the centralized system, or when NetAct connectivity to the site is impaired. NetAct CM Editor is used for network-wide configuration management of many sites from the central OSS, NetAct PM Reports aggregates performance counters across the network, and the SON Network Optimizer automates parameter tuning across multiple cells. Because the question specifically asks about direct, single-element access for local diagnostics rather than network-wide operations, the BTS Site Manager is the correct answer, complementing NetAct in a complete remote operations toolkit.
NEW QUESTION # 59
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