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Nokia NRN-522 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Configuration and Management | 25% | - Software management and upgrades
|
| Topic 2: 5G RAN Architecture and Fundamentals | 20% | - Protocol stack and interfaces
|
| Topic 3: Security and Compliance | 10% | - Security features and procedures
|
| Topic 4: Performance Monitoring and Optimization | 20% | - Key performance indicators (KPIs)
|
| Topic 5: Fault Management and Troubleshooting | 25% | - Common issues and solutions
|
Nokia 5G RAN Network Operations Expert Sample Questions:
1. 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?
A) Wait indefinitely without taking action, since the issue will eventually self-correct
B) Restore the affected network element's configuration from the most recent verified pre-change backup
C) Apply a completely different, unrelated configuration template to the cell
D) Permanently decommission the affected cell
2. When planning a maintenance window for a software activation affecting multiple cells at a site, which factor is most important for the NOC team to consider in order to minimize subscriber impact?
A) The number of active alarms at the site, since more alarms always mean lower traffic
B) The current software version number, since higher version numbers always indicate lower traffic
C) Historical traffic patterns for the site, choosing a time period when traffic is at its lowest to minimize the number of active sessions affected by the restart
D) The PLMN ID of the site, since different PLMN IDs require different maintenance windows
3. A NOC team uses NetAct to download a new software package to a group of base stations during business hours, but schedules the activation of that software for later that night. What is the primary operational benefit of this 'download now, activate later' approach?
A) It allows the time-consuming file transfer to occur without impacting current service, while the service- impacting activation (which typically requires a restart) is deferred to a low-traffic maintenance window
B) Downloading the software automatically restarts the base station immediately, so timing has no operational significance
C) Activation always occurs automatically the instant the download completes, regardless of scheduling
D) It permanently removes the need to take any backups before activation
4. What is the primary purpose of performing a configuration audit that compares a live network element's current parameter settings against an approved configuration baseline or template?
A) To determine which alarms are currently active on the network element
B) To calculate the cell's handover success rate for the past reporting period
C) To identify unauthorized, accidental, or drifted configuration changes that deviate from the approved standard, supporting configuration integrity and compliance
D) To measure the cell's current PRB utilization for capacity planning
5. During a complex remote piloting activity involving multiple steps and risk of service impact, what additional coordination practice helps ensure accountability and a clear record of what was agreed and performed at each stage?
A) Avoiding any real-time communication so as not to distract the field engineer
B) Conducting the activity exclusively through anonymous communication channels with no record of who performed each action
C) Performing all steps simultaneously without any sequencing to save time
D) Conducting the activity using a shared bridge call or chat channel where each step, confirmation, and result is verbally or textually logged in real time as the activity progresses
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: C | Question # 3 Answer: A | Question # 4 Answer: C | Question # 5 Answer: D |
