NRN-522 Test Score Report, NRN-522 New Practice Questions

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Nokia NRN-522 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Network Configuration and Management25%- Software management and upgrades
  • 1. Backup and restore procedures
  • 2. Software download, activation and rollback
- Parameter management and configuration
  • 1. Cell, carrier and beam configuration
  • 2. Mobility and handover parameters
Topic 2: Performance Monitoring and Optimization20%- Key performance indicators (KPIs)
  • 1. Throughput and latency metrics
  • 2. Accessibility, retainability, mobility KPIs
- Performance analysis and optimization
  • 1. Parameter tuning for better performance
  • 2. Counter and trace analysis
Topic 3: 5G RAN Architecture and Fundamentals20%- 5G RAN logical and physical architecture
  • 1. gNB functions and components
  • 2. NSA and SA deployment options
- Protocol stack and interfaces
  • 1. User plane and control plane protocols
  • 2. F1, E1, Xn, NG interfaces
Topic 4: Security and Compliance10%- Security features and procedures
  • 1. Data integrity and encryption
  • 2. Access control and authentication
Topic 5: Fault Management and Troubleshooting25%- Common issues and solutions
  • 1. Interference and coverage issues
  • 2. Connection and access problems
- Alarm and fault handling
  • 1. Fault isolation and resolution steps
  • 2. Alarm classification and interpretation

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Real Nokia Exam Questions And Answers From NRN-522​​​​​​​

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Nokia 5G RAN Network Operations Expert Sample Questions (Q13-Q18):

NEW QUESTION # 13
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: A

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 # 14
After a remote piloting session for a hardware replacement is successfully completed and the site is confirmed to be back in normal operation, what should the NOC engineer do regarding the activity record?

Answer: D

Explanation:
After successfully completing a remote piloting session, documenting the activity in the appropriate maintenance ticket or change record is an essential closing step. This documentation should capture what actions were taken (both remotely and physically), the verification steps performed and their results (such as confirmation that the cell returned to service without alarms and that links were re-established), and the final status of the site. This record provides traceability for future reference - for example, if related issues arise later, or for audit and reporting purposes - and ensures continuity for other team members who may not have been involved in the original activity but need context later. Relying solely on verbal confirmation provides no lasting record and is inconsistent with good operational practice. Deleting the ticket immediately discards this valuable history, and sharing a field engineer's personal contact information with the broader team is unrelated to activity documentation and would raise privacy considerations.


NEW QUESTION # 15
How does applying a software patch typically differ from performing a full software upgrade on a base station?

Answer: D

Explanation:
A software patch is typically a smaller, targeted update designed to address specific known issues, bugs, or vulnerabilities within the currently running software baseline, without changing the overall feature set or version baseline significantly. Patches are often quicker to apply and may have a more limited scope of impact, making them suitable for addressing urgent issues between major release cycles. A full software upgrade, by contrast, replaces the base station's overall software load with a new baseline release, which may introduce new features, performance improvements, and an accumulated set of fixes - representing a more significant change that typically requires more thorough planning, testing, and a more comprehensive pre-change backup. Both patches and full upgrades can generally be delivered and activated remotely without requiring physical hardware replacement. Understanding this distinction helps NOC teams appropriately scope the risk, testing, and scheduling considerations for each type of software lifecycle activity.


NEW QUESTION # 16
A NOC engineer is investigating subscriber complaints of being unable to access data services even though their devices show a strong 5G signal and successfully camp on the cell. Which KPI should the engineer examine first to determine whether the issue lies in establishing the data bearer itself?

Answer: A

Explanation:
If a device successfully camps on a cell and shows strong signal levels but cannot access data services, the issue most likely lies beyond the initial radio connection - specifically in establishing the data bearer (PDU session in 5G, analogous to E-RAB in 4G) required to carry user-plane traffic to the core network. The PDU Session/E-RAB Setup Success Rate KPI directly measures how often these bearer establishment procedures succeed, and a low value points to problems such as core network signaling failures, transport issues toward the user-plane gateway, configuration mismatches, or resource allocation failures at the RAN. Cell Availability simply confirms the cell is operational, Handover Success Rate is only relevant once a session is active and mobility occurs, and strong RSRP only confirms good radio coverage - none of these directly explain a failure to establish the data session itself, making the PDU Session/E-RAB Setup Success Rate the correct first KPI to examine.


NEW QUESTION # 17
Handover Success Rate is a KPI primarily used to assess which aspect of network performance?

Answer: C

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 # 18
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