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Nokia 5G RAN Network Operations Expert : NRN-522

NRN-522

Exam Code: NRN-522

Exam Name: Nokia 5G RAN Network Operations Expert

Updated: Aug 15, 2026

Q&A Number: 122 Q&As

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Nokia NRN-522 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Performance Monitoring and Optimization20%- Performance analysis and optimization
  • 1. Parameter tuning for better performance
  • 2. Counter and trace analysis
- Key performance indicators (KPIs)
  • 1. Throughput and latency metrics
  • 2. Accessibility, retainability, mobility KPIs
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: 5G RAN Architecture and Fundamentals20%- Protocol stack and interfaces
  • 1. User plane and control plane protocols
  • 2. F1, E1, Xn, NG interfaces
- 5G RAN logical and physical architecture
  • 1. NSA and SA deployment options
  • 2. gNB functions and components
Topic 4: 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 5: Security and Compliance10%- Security features and procedures
  • 1. Access control and authentication
  • 2. Data integrity and encryption

Nokia 5G RAN Network Operations Expert Sample Questions:

1. Before granting a new NOC engineer remote access credentials to production AirScale sites, what should be verified according to Nokia's operational security practices?

A) That the engineer owns a personal mobile phone
B) That the engineer holds physical keys to all site cabinets
C) That the engineer has completed required training and is assigned a role matching their responsibilities under the least-privilege principle
D) That the engineer's account has unrestricted access to all NetAct modules by default


2. 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


3. Why is it considered a best practice to verify the integrity of a configuration or software backup file shortly after it is created, rather than assuming the backup process completed successfully?

A) Because unverified backups cause the base station to continuously restart
B) Because a backup that appears to have completed without verification could be incomplete or corrupted, and this would only be discovered when it is needed for a restore - at which point recovery options become severely limited
C) Because verification is required by NetAct before any alarms can be displayed for the element
D) Because backup verification automatically improves the cell's KPI performance


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 only captures alarm history, while a partial backup captures performance counters
B) There is no practical difference; both terms refer to identical backup content
C) A partial backup can only be performed by a field engineer physically present at the site
D) 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


5. What best describes the role of 'remote piloting' as performed by a NOC engineer supporting a field engineer during an on-site hardware replacement?

A) The NOC engineer has no active role and simply waits for the field engineer to report task completion
B) The NOC engineer uses centralized OandM tools to guide the field engineer through the procedure step- by-step, performing remote configuration, verification, and diagnostic actions while the field engineer carries out the physical tasks on site
C) The NOC engineer remotely controls the field engineer's vehicle to ensure timely arrival at the site
D) The NOC engineer travels to the site to physically perform the hardware replacement alongside the field engineer


Solutions:

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

Related Certifications
Nokia Networks Certification
Nokia Certified Fixed Networks Professional
Nokia Bell Labs 5G Certification - Associate
Nokia Optical Network Design Expert
Nokia Optical Network Professional
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