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Nokia NRN-522 Exam Syllabus Topics:

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

Nokia 5G RAN Network Operations Expert Sample Questions:

Which of the following best describes 'fault isolation' as performed by NOC technical support before deciding whether to dispatch a field engineer?

  • A. Replacing hardware components at random until the alarm clears
  • B. Assuming every fault automatically requires a full site rebuild
  • C. Using available remote diagnostics - alarms, correlation, PM data, interface status, and logs - to determine whether the fault likely lies in the baseband, RF, transport, or external/environmental domain
  • D. Disregarding any alarm correlation information available
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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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 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
  • D. Because documentation is purely a regulatory formality with no operational value
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Which KPI category includes the RRC Connection Setup Success Rate, which reflects a UE's ability to successfully gain initial access to the network?

  • A. Integrity
  • B. Mobility
  • C. Accessibility
  • D. Retainability
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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How do NetAct and the AirScale BTS local Element Manager (Site Manager) typically relate to each other in day-to-day remote operations?

  • A. NetAct manages only 2G/3G technologies, while the Element Manager manages only 5G
  • B. The Element Manager centrally manages multiple base station sites across the network
  • C. NetAct eliminates any need for local element-level management tools
  • D. NetAct provides centralized, network-wide OAM, while the Element Manager provides detailed, element-specific local access for in-depth diagnostics
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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What does the NR-ARFCN (NR Absolute Radio Frequency Channel Number) represent in a 5G cell's configuration?

  • A. A standardized numeric reference that identifies the specific carrier frequency on which the cell operates
  • B. A unique identifier for the cell within the core network's subscriber database
  • C. The percentage of available PRBs currently in use by the cell
  • D. The number of active alarms currently reported by the cell
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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