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Nokia NRN-522 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Remote Operations of 5G Radio Access Networks | - 5G RAN Operations Center Procedures
|
| 5G RAN Products and Solutions Management | - Network Connectivity and Access
|
| Fault and Alarm Management | - Monitoring and Troubleshooting
|
| Software Management | - Base Station Software Operations
|
| Configuration Management | - Parameter Administration
|
Nokia 5G RAN Network Operations Expert Sample Questions:
1. Over a period of several weeks, a NOC team observes that a particular cell's average PRB utilization during the busy hour has steadily increased from 60% to consistently above 85%, even though no faults or configuration issues have been identified. What is the most appropriate action based on this trend?
A) Flag the cell for capacity planning review, as the trend suggests the cell may require additional capacity to maintain performance
B) Immediately lock the cell to prevent further load increase
C) Reduce the cell's transmit power to discourage new connections
D) Ignore the trend since no active alarms are present
2. 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?
A) PDU Session / E-RAB Setup Success Rate
B) Cell Availability
C) Reference Signal Received Power (RSRP) distribution
D) Handover Success Rate
3. Following completion of a hardware replacement and remote piloting activity, which combination of checks represents the most complete final verification before the NOC engineer closes out the activity as successful?
A) Confirming the field engineer has packed up their tools
B) Confirming all previously raised alarms related to the activity have cleared (or only expected residual alarms remain), the cell is unlocked and in service, relevant links (such as CPRI/eCPRI and AISG) report normal status, and short-term KPIs are consistent with the site's historical baseline
C) Confirming the weather conditions at the site were favorable during the activity
D) Confirming the replacement part's serial number matches the shipping manifest, with no further checks required
4. How does applying a software patch typically differ from performing a full software upgrade on a base station?
A) A patch is generally a smaller, targeted update addressing specific issues or fixes within the current software baseline, while a full upgrade replaces the overall software load with a new baseline release that may include new features and accumulated fixes
B) A patch completely replaces the entire software baseline with a new major release, while a full upgrade only modifies a single configuration parameter
C) Patches can only be applied by replacing physical hardware components on site
D) There is no meaningful difference; the terms are interchangeable in all contexts
5. What is the primary purpose of the secure IPsec VPN tunnel established between a centralized Operations Center and a remote 5G site's transport network?
A) To boost the radio transmit power of the cell
B) To encrypt and authenticate OandM traffic exchanged between NetAct/NOC and the base station
C) To compress software packages before download
D) To replace the need for alarm monitoring
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: B | Question # 4 Answer: A | Question # 5 Answer: B |
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