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Nokia NRN-522 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Network Operations in 5G RAN | - Operations Center procedures
|
| 5G RAN Systems and Fault Management | - Alarm and fault handling
|
Nokia 5G RAN Network Operations Expert Sample Questions:
Question 1
After a field engineer physically replaces a Remote Electrical Tilt (RET) antenna actuator, what remote verification should the NOC engineer perform to confirm the new unit is properly integrated?
A. Confirm the RET unit is broadcasting on the correct NR-ARFCN
B. Confirm the new RET device is detected and communicating correctly over the AISG bus, and verify that its tilt position can be read and adjusted as expected
C. Confirm the RET unit's color matches the previous unit
D. Confirm the RET unit has the same serial number as the unit it replaced
Question 2
Some alarms in NetAct FM clear automatically once the underlying fault condition no longer exists, while others require manual clearing by an engineer. What characterizes an alarm that requires manual clearing?
A. Alarms representing conditions the system cannot reliably verify as resolved on its own, requiring an engineer to confirm and clear after corrective action
B. All alarms in NetAct always clear automatically with no exceptions
C. Alarms can never be cleared once raised, under any circumstances
D. Alarms representing transient conditions that the network element detects and resolves entirely on its own
Question 3
What is the standard alarm severity ordering used in NetAct Fault Management, from highest to lowest severity?
A. Warning, Minor, Major, Critical
B. Minor, Warning, Critical, Major
C. Major, Critical, Warning, Minor
D. Critical, Major, Minor, Warning
Question 4
A site reports a 'Rectifier Fault' or 'DC Power Fault' alarm together with multiple equipment alarms across different cabinets. What does the rectifier/DC power fault alarm relate to?
A. A software licensing issue on the base station
B. NetAct user account permissions
C. The site's AC-to-DC power supply system feeding the equipment
D. The configuration of neighboring cells
Question 5
After a field engineer completes a baseband module replacement and confirms physical installation is complete, which set of remote checks should the NOC engineer perform to verify successful restoration of service?
A. Confirm only that the module's indicator light is the correct color, without checking any system-level status
B. Confirm the cell(s) return to service without critical or major alarms, CPRI/eCPRI links to RF units are up, and relevant KPIs return to expected baseline levels
C. Confirm that the cell's PCI has automatically changed to a new value
D. Confirm the field engineer has left the site, without performing any further remote checks
Solutions:
| Question 1 Answer: B | Question 2 Answer: A | Question 3 Answer: D | Question 4 Answer: C | Question 5 Answer: B |






