Getting the Nokia 5G RAN Network Operations Expert (NRN-522) certification is the way to go if you're planning to get into Nokia or want to start earning money quickly. Success in the Nokia 5G RAN Network Operations Expert (NRN-522) exam of this credential plays an essential role in the validation of your skills so that you can crack an interview or get a promotion in an Nokia company. Many people are attempting the Nokia 5G RAN Network Operations Expert (NRN-522) test nowadays because its importance is growing rapidly. The product of Test4Sure has many different premium features that help you use this product with ease. The study material has been made and updated after consulting with a lot of professionals and getting customers' reviews.
| Section | Objectives |
|---|---|
| Topic 1: Software Management | - Base Station Software Operations
|
| Topic 2: Fault and Alarm Management | - Monitoring and Troubleshooting
|
| Topic 3: Remote Operations of 5G Radio Access Networks | - 5G RAN Operations Center Procedures
|
| Topic 4: 5G RAN Products and Solutions Management | - Network Connectivity and Access
|
| Topic 5: Configuration Management | - Parameter Administration
|
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NEW QUESTION # 40
How is the Cell Availability KPI typically calculated for a reporting period, and what does this KPI primarily reflect?
Answer: B
Explanation:
Cell Availability is an Availability-category KPI that measures the proportion of a given reporting period during which a cell was operationally able to carry traffic - that is, unlocked, in service, and not blocked by a fault. It is calculated as the ratio of the time the cell was actually available to the total duration of the reporting period, expressed as a percentage. Periods of planned maintenance (administrative locking) are sometimes excluded or tracked separately from unplanned outages, depending on operator reporting policy, since the two have different operational implications. This KPI is critical for service level agreement (SLA) reporting and for identifying cells with recurring stability issues such as repeated automatic resets, hardware faults, or transport outages. It is distinct from throughput-based, handover-based, or alarm-count-based ratios, which belong to other KPI categories and answer different operational questions.
NEW QUESTION # 41
NetAct shows an AirScale gNB as 'Connection Lost' although there has been no reported power outage at the site. What should the NOC engineer check FIRST?
Answer: C
Explanation:
A complete loss of O and M connectivity status in NetAct, without an associated power loss, most commonly indicates a problem in the IP path between the management system and the site - such as a backhaul
/transport link failure, a routing misconfiguration, a firewall rule change, or a fault on the site router or switch. Standard remote troubleshooting methodology follows a layered, 'isolate before escalate' approach:
confirm basic transport and IP reachability first (for example, checking link status, ping/traceroute results to the site's O and M address) before investigating radio-related items. RF unit VSWR, PCI configuration, and antenna tilt are radio-domain parameters that would not cause a total O and M connectivity loss, and checking them first would waste time and delay resolution. Verifying the transport path quickly narrows the fault domain and determines whether the issue can be resolved remotely or requires field dispatch.
NEW QUESTION # 42
A base station has the necessary software installed to support a new advanced scheduling feature, but the feature remains inactive. The NOC engineer is informed that a license-related step is required. What is the most likely explanation?
Answer: C
Explanation:
In many telecom equipment vendors' licensing models, including Nokia's, having the software capability to support a feature installed on the base station is necessary but not always sufficient for that feature to be operational. Many advanced or optional features require a corresponding license key to be applied and activated, which represents the commercial entitlement to use that capability. This separation allows operators to purchase and activate features incrementally as needed, without requiring different software builds for different feature sets. A NOC engineer encountering an inactive feature with the correct software already installed should verify the license status for that feature and, if needed, coordinate with the appropriate team to apply or activate the required license. This is unrelated to software downgrades, hardware replacement, or waiting for a future software upgrade - none of which would resolve a licensing gap, since the underlying software already supports the feature.
NEW QUESTION # 43
A remote 5G site has redundant transport paths (primary and backup) providing OandM connectivity to NetAct. What is the main operational benefit of this redundancy?
Answer: B
Explanation:
Providing dual or redundant transport paths for O and M connectivity increases the resilience of remote management. If the primary backhaul link fails - for example, due to a fiber cut or a microwave link outage - the base station can continue to report alarms and performance data, and remain reachable for configuration changes via the secondary path, preserving the Operations Center's visibility and control without requiring a site visit purely to restore management connectivity. This redundancy specifically benefits the continuity of monitoring and management functions. It has no effect on a cell's radio coverage area, which depends on RF design parameters such as transmit power, antenna configuration, and frequency band, nor does it relate to spectrum-sharing arrangements between operators. It also does not eliminate the ongoing need for periodic software updates and patching, which remain a separate lifecycle management activity.
NEW QUESTION # 44
After a remote configuration change causes unexpected cell behavior, and the automatic fallback mechanism does not fully resolve the issue, what is the most appropriate next step for the NOC engineer?
Answer: C
Explanation:
When a configuration change leads to unexpected behavior and any automatic fallback does not fully restore normal operation, the appropriate recovery action is to restore the affected network element's configuration from the most recent verified backup taken before the change was applied. This returns the element to its known-working state, addressing the immediate service impact while the root cause of the unexpected behavior from the new configuration can be investigated separately, outside of the live production environment if needed. This is precisely why taking and verifying a pre-change backup is emphasized as a best practice - it provides exactly this kind of recovery option. Decommissioning the cell is a drastic and disproportionate response to a configuration issue; applying an unrelated template introduces further uncertainty and risk; and taking no action prolongs any service degradation unnecessarily, which is inconsistent with the NOC's responsibility to restore service promptly.
NEW QUESTION # 45
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