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Nokia NRN-522 Exam Syllabus Topics:

SectionWeightObjectives
Security and Compliance10%- Security features and procedures
  • 1. Access control and authentication
  • 2. Data integrity and encryption
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
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
Network Configuration and Management25%- Software management and upgrades
  • 1. Backup and restore procedures
  • 2. Software download, activation and rollback
- Parameter management and configuration
  • 1. Cell, carrier and beam configuration
  • 2. Mobility and handover parameters
Performance Monitoring and Optimization20%- Performance analysis and optimization
  • 1. Parameter tuning for better performance
  • 2. Counter and trace analysis
- Key performance indicators (KPIs)
  • 1. Accessibility, retainability, mobility KPIs
  • 2. Throughput and latency metrics

Nokia 5G RAN Network Operations Expert Sample Questions:

1. What is the standard alarm severity ordering used in NetAct Fault Management, from highest to lowest severity?

A) Major, Critical, Warning, Minor
B) Critical, Major, Minor, Warning
C) Warning, Minor, Major, Critical
D) Minor, Warning, Critical, Major


2. 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 travels to the site to physically perform the hardware replacement alongside the field engineer
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 has no active role and simply waits for the field engineer to report task completion


3. After completing a software upgrade and subsequent configuration adjustments at a site, why is it important for the NOC engineer to update the site's maintenance records and change documentation?

A) Because change documentation determines the cell's PCI value
B) Because updating documentation automatically triggers a new software download to the site
C) Because documentation is purely a regulatory formality with no operational value
D) Because accurate, up-to-date records of what changes were made, when, and by whom support future troubleshooting, audits, and provide context if related issues arise later


4. What is the purpose of license management functionality within NetAct as it relates to base station software and features?

A) It manages the PLMN IDs assigned to each base station
B) It schedules routine site cleaning and maintenance visits
C) It tracks the physical inventory of spare RF cables stored at each site
D) It tracks and manages license keys and entitlements that control which optional features and capacity levels are enabled on network elements, separate from the software installation itself


5. For security segmentation, NOC personnel typically do not connect directly from their workstations to production AirScale base stations. Instead, they first authenticate to an intermediate, hardened host. What is this intermediate host commonly called?

A) Load balancer
B) DNS server
C) Jump server / bastion host
D) Edge router


Solutions:

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

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