Nokia 5G RAN Network Operations Expert : NRN-522

NRN-522 Exam Simulator
  • Exam Code: NRN-522
  • Exam Name: Nokia 5G RAN Network Operations Expert
  • Updated: Sep 11, 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. Troubleshooting operational issues
    • 2. Fault detection and diagnosis in RAN nodes
      - 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. Retrieve faults and alarms
            • 2. Connect to Nokia 5G RAN products and solutions
              • 3. Apply standard parameter configuration changes
                • 4. Manage base station software lifecycle
                  - Operations Center procedures
                  • 1. Support network operation center workflows
                    • 2. Coordinate with technical support teams for issue resolution

                      Nokia 5G RAN Network Operations Expert Sample Questions:

                      Question #1

                      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. DNS server
                      • B. Jump server / bastion host
                      • C. Edge router
                      • D. Load balancer
                      Answer: B
                      Question #2

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

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

                      Explanation: Only visible for Exam4PDF members. You can sign-up / login (it's free).

                      Question #3

                      In an EN-DC (E-UTRA New Radio Dual Connectivity) configuration, what role does the 5G NR cell typically play relative to the LTE cell?

                      • A. The NR cell completely replaces the LTE cell and handles all signaling independently
                      • B. The NR cell acts as the Master Node, with the LTE cell providing only supplementary capacity
                      • C. The NR cell acts as a Secondary Node providing additional throughput, while the LTE cell acts as the Master Node and anchors control-plane signaling to the core network
                      • D. EN-DC requires both cells to use identical PCI values to function
                      Answer: C

                      Explanation: Only visible for Exam4PDF members. You can sign-up / login (it's free).

                      Question #4

                      A NOC engineer is considering performing a remote factory reset on a base station as a troubleshooting step for a persistent issue. What is the most significant risk of this action if performed without proper preparation?

                      • A. A factory reset has no effect on the unit's configuration and is therefore always safe to perform
                      • B. A factory reset only affects the unit's physical LED indicators and has no impact on service
                      • C. A factory reset automatically creates a new backup of the current configuration before proceeding
                      • D. A factory reset may erase the unit's current configuration, requiring a full restoration from backup (or re- commissioning) to return the site to its operational state
                      Answer: D

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                      Question #5

                      Before performing a remote software upgrade on a base station, what should a NOC engineer ensure has been completed regarding the site's current state?

                      • A. A current configuration and software backup has been taken and verified, providing a restore point if the upgrade encounters issues
                      • B. All neighbor relations for the site have been removed to prevent interference during the upgrade
                      • C. All historical alarms for the site have been permanently deleted from NetAct
                      • D. The site's PLMN ID has been changed to a temporary value during the upgrade
                      Answer: A

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