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

Nokia NRN-522 exam
  • Exam Code: NRN-522
  • Exam Name: Nokia 5G RAN Network Operations Expert
  • Updated: Jul 24, 2026
  • Q & A: 122 Questions and Answers
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Nokia NRN-522 Exam Syllabus Topics:

SectionObjectives
Topic 1: 5G RAN Systems and Fault Management- Alarm and fault handling
  • 1. Fault detection and diagnosis in RAN nodes
    • 2. Troubleshooting operational issues
      - Software and configuration management
      • 1. Configuration parameter updates in live networks
        • 2. Base station software management
          Topic 2: Network Operations in 5G RAN- Remote operation of 5G Radio Access Network
          • 1. Connect to Nokia 5G RAN products and solutions
            • 2. Manage base station software lifecycle
              • 3. Apply standard parameter configuration changes
                • 4. Retrieve faults and alarms
                  - Operations Center procedures
                  • 1. Coordinate with technical support teams for issue resolution
                    • 2. Support network operation center workflows

                      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's account has unrestricted access to all NetAct modules by default
                      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 holds physical keys to all site cabinets


                      2. A NOC engineer notices that a cell's PRB (Physical Resource Block) utilization is consistently above 90% during peak hours. What does this MOST LIKELY indicate?

                      A) The cell is approaching or experiencing capacity congestion during peak hours, which may impact throughput-related KPIs
                      B) The cell's hardware has experienced a complete failure
                      C) The cell's Physical Cell Identity (PCI) is misconfigured
                      D) The NetAct database storage is full


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

                      A) Disregarding any alarm correlation information available
                      B) 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
                      C) Assuming every fault automatically requires a full site rebuild
                      D) Replacing hardware components at random until the alarm clears


                      4. Why does Nokia recommend configuring automatic session timeout (inactivity logout) for remote management sessions to AirScale base stations?

                      A) To limit exposure if a session is left open and unattended, reducing the risk of unauthorized access or changes
                      B) To reduce electricity consumption at the site
                      C) To increase the radio coverage range of the cell
                      D) To force the base station to restart on a regular schedule


                      5. What is the key difference between a graceful restart and an immediate (forced) restart of a base station unit during maintenance activities?

                      A) A graceful restart permanently disables the unit, while an immediate restart only temporarily disables it
                      B) A graceful restart attempts to allow active sessions to complete or be handed over before the restart proceeds, reducing dropped connections, while an immediate restart proceeds without waiting, causing any active sessions to be dropped
                      C) There is no functional difference between the two; both terms describe identical behavior
                      D) A graceful restart can only be performed by physically power-cycling the equipment on site


                      Solutions:

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

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