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To pass the NRN-522 exam, candidates must demonstrate proficiency in a variety of areas, including the ability to configure and manage Nokiaโs 5G RAN components such as gNodeB, CU/DU, and RIC. Candidates should also be familiar with the principles of network slicing, network functions virtualization (NFV), and software-defined networking (SDN). Additionally, they should be able to analyze network traffic, troubleshoot network issues, and optimize the performance of 5G RAN elements. Successful candidates will be awarded the Nokia 5G RAN Network Operations Expert certification, which is valid for three years.
Nokia NRN-522 Certification Exam is an excellent opportunity for professionals to validate their skills and knowledge in 5G RAN network operations. It is a globally recognized certification that can help professionals advance in their careers and stand out in the job market. Nokia 5G RAN Network Operations Expert certification exam is challenging, but with the right preparation and experience, candidates can demonstrate their proficiency in 5G RAN network operations.
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Nokia NRN-522 Certification Exam covers a wide range of topics related to 5G RAN network operations, including network architecture, protocols, performance management, troubleshooting, and optimization. NRN-522 exam is designed to test the candidate's ability to deploy, operate, and maintain a 5G RAN network in a variety of scenarios. Nokia 5G RAN Network Operations Expert certification is suitable for network engineers, network operators, and system integrators who work with 5G RAN networks.
NEW QUESTION # 74
What is the key difference between a cell that has been administratively 'locked' (disabled) and a cell that reports 'Out of Service' due to a fault?
Answer: B
Explanation:
'Locked' (administratively disabled) describes a deliberate, controlled state set by an operator or engineer - for example, intentionally taking a cell out of service for planned maintenance, an upgrade, or a configuration change window. This is an expected, reversible action: the cell can be 'unlocked' once the work is complete. 'Out of Service' due to a fault, by contrast, reflects an unintended operational failure - the cell was expected to be operating normally, but a fault condition (such as a hardware, transport, or synchronization issue) has prevented it from doing so, typically accompanied by one or more alarms.
Distinguishing these states matters for NOC engineers: a locked cell appearing down is expected and requires no fault investigation, whereas an unexpectedly out-of-service cell requires diagnosis. Neither state inherently relates to transmit power, and out-of-service conditions are not always due to software upgrades.
NEW QUESTION # 75
When planning the channel bandwidth and subcarrier spacing for a 5G cell, what is the primary operational impact of these parameters?
Answer: D
Explanation:
Channel bandwidth and subcarrier spacing are fundamental radio configuration parameters that together determine how many Physical Resource Blocks (PRBs) are available within a cell's carrier. Since PRBs are the basic units of radio resource that the scheduler allocates to UEs for both downlink and uplink transmissions, the number of available PRBs directly determines the cell's theoretical capacity - that is, how much traffic the cell can serve simultaneously before becoming congested. A wider channel bandwidth provides more PRBs and therefore greater capacity, while subcarrier spacing affects the size of each PRB in the frequency domain and has implications for latency and mobility performance at different frequency ranges. These parameters are foundational to capacity planning and must be configured consistently with the operator's spectrum holdings and regulatory allocations. They have no bearing on PLMN/TAC identifiers, alarm severity configuration, or O and M transport security, which are governed by entirely separate configuration domains.
NEW QUESTION # 76
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 # 77
A NOC engineer needs to recover a base station from a state where its parameter settings have been corrupted, but the underlying software load is functioning correctly. Which type of backup would be most directly applicable to resolving this specific issue?
Answer: B
Explanation:
When the issue is specifically that parameter/configuration data has become corrupted while the underlying software load remains functional, the most directly applicable recovery resource is a configuration backup - which contains the parameter settings (cell configuration, neighbor relations, transport settings, and so on) independent of the software image. Restoring from a configuration backup can address the corrupted settings without the additional time and disruption of reinstalling or reactivating software, which would be unnecessary in this scenario since the software itself is not the problem. Configuration data is a distinct dataset from the software image, not embedded within it, which is precisely why configuration-only backups exist as a lighter-weight option for scenarios like this. Alarm history and PM counter exports are records of operational events and measurements respectively - neither contains the parameter configuration data needed to restore an element's settings, making them unsuitable for this recovery scenario.
NEW QUESTION # 78
Cell Availability KPI is typically calculated based on which factor?
Answer: A
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 # 79
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