Nokia 5G RAN Network Operations Expert : NRN-522

  • Exam Code: Nokia
  • Exam Name: Nokia 5G RAN Network Operations Expert
  • Updated: Aug 23, 2026
  • Q & A: 122 Questions and Answers

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Nokia NRN-522 Exam Syllabus Topics:
SectionWeightObjectives
Topic 1: Performance Monitoring and Optimization20%- Key performance indicators (KPIs)
  • 1. Accessibility, retainability, mobility KPIs
  • 2. Throughput and latency metrics
- Performance analysis and optimization
  • 1. Parameter tuning for better performance
  • 2. Counter and trace analysis
Topic 2: Fault Management and Troubleshooting25%- Alarm and fault handling
  • 1. Alarm classification and interpretation
  • 2. Fault isolation and resolution steps
- Common issues and solutions
  • 1. Interference and coverage issues
  • 2. Connection and access problems
Topic 3: Security and Compliance10%- Security features and procedures
  • 1. Access control and authentication
  • 2. Data integrity and encryption
Topic 4: Network Configuration and Management25%- Parameter management and configuration
  • 1. Cell, carrier and beam configuration
  • 2. Mobility and handover parameters
- Software management and upgrades
  • 1. Software download, activation and rollback
  • 2. Backup and restore procedures
Topic 5: 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. F1, E1, Xn, NG interfaces
  • 2. User plane and control plane protocols
Nokia 5G RAN Network Operations Expert Sample Questions:

1. A NOC engineer reviewing UE measurement reports notices that two physically adjacent 5G cells are broadcasting the identical Physical Cell Identity (PCI), causing UEs to receive ambiguous reference signals.
What is this condition called, and what is the appropriate remote corrective action?

A) This is PCI confusion, and it should be resolved by adjusting the cells' reference signal power
B) This is a normal configuration and requires no action, since PCI values can be safely reused on adjacent cells
C) This is a PCI collision, and it should be resolved by reassigning a unique PCI value to one of the conflicting cells
D) This is PCI confusion, and the only remedy is to delete the neighbor relation between the two cells


2. An operator is considering reducing the PM Result Output Period (ROP) for a set of cells from 15 minutes to
1 minute to enable near real-time troubleshooting. What is the most significant operational trade-off of this change?

A) Shorter ROPs prevent NetAct from displaying any historical performance trends
B) Shorter ROPs make KPI formulas invalid and unusable
C) Shorter ROPs significantly increase the volume of measurement data generated and the load on collection and storage systems
D) Shorter ROPs automatically disable all alarm notifications for the affected cells


3. 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) The site's AC-to-DC power supply system feeding the equipment
B) The configuration of neighboring cells
C) NetAct user account permissions
D) A software licensing issue on the base station


4. In the context of Nokia's Single RAN approach, what does it mean for a base station site's software package to support 'Single RAN'?

A) It means the site cannot receive any further software upgrades once Single RAN is enabled
B) It means a common hardware platform and software package can support multiple radio access technologies (such as 2G, 3G, 4G, and 5G) simultaneously on shared infrastructure
C) It means the site can only support a single radio access technology (e.g., only 5G) for its entire operational lifetime
D) It means the site requires a separate, dedicated physical cabinet for each radio access technology it supports


5. In NetAct Performance Management, what is a 'measurement job'?

A) A configured task defining which performance counters are collected, from which network elements, and at what interval
B) A maintenance task scheduled for a field technician at a site
C) A type of software upgrade package for AirScale base stations
D) A user account created specifically for performance management staff


Solutions:

Question # 1
Answer: C
Question # 2
Answer: C
Question # 3
Answer: A
Question # 4
Answer: B
Question # 5
Answer: A

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