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Nokia NRN-522 : Nokia 5G RAN Network Operations Expert

NRN-522 real exams

Exam Code: NRN-522

Exam Name: Nokia 5G RAN Network Operations Expert

Updated: Aug 29, 2026

Q & A: 122 Questions and Answers

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Nokia NRN-522 Exam Syllabus Topics:

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

Nokia 5G RAN Network Operations Expert Sample Questions:

Question 1

A NOC engineer observes that a 5G cell's average downlink user throughput has dropped significantly, but the cell's PRB utilization remains low and no transport alarms are active. Which root cause is most consistent with these observations?

A. Degraded radio link quality is causing a shift toward lower-order modulation and coding schemes
B. The backhaul link to the cell site has failed completely
C. The cell is severely congested due to a sudden increase in connected users
D. The cell has been administratively locked by an operator


Question 2

Before a field engineer disconnects and removes an RF unit for replacement, what action should the NOC engineer typically perform first?

A. Increase the transmit power of neighboring cells to compensate for the upcoming outage
B. Administratively lock the affected cell(s) so the disconnection occurs in a controlled state rather than appearing as an unexpected fault
C. Permanently delete the cell's configuration from NetAct
D. Change the cell's PLMN ID to prevent UEs from attempting to connect


Question 3

Which Nokia centralized network management system is primarily used by NOC and technical support personnel to monitor, configure, and manage AirScale 5G base stations remotely from an Operations Center?

A. NetAct
B. NetGuard Security Management
C. CloudBand
D. Nokia Digital Automation Cloud


Question 4

What is the key distinction between a full site backup and a partial (configuration-only) backup in the context of base station lifecycle management?

A. A full backup includes both the software load and the complete configuration data, while a partial backup typically captures only configuration data without the software image
B. There is no practical difference; both terms refer to identical backup content
C. A full backup only captures alarm history, while a partial backup captures performance counters
D. A partial backup can only be performed by a field engineer physically present at the site


Question 5

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 transient conditions that the network element detects and resolves entirely on its own
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 conditions the system cannot reliably verify as resolved on its own, requiring an engineer to confirm and clear after corrective action


Solutions:

Question 1
Answer: A
Question 2
Answer: B
Question 3
Answer: A
Question 4
Answer: A
Question 5
Answer: D

Related Certifications
Nokia Cloud Packet Core Expert
Nokia Certification
Nokia SRC Certification
Nokia Service Routing Architect
Nokia Certified NSP IP Network Automation Professional
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