Nokia NRN-522 Online Lab Simulation: Nokia 5G RAN Network Operations Expert - PassTestking Free Download

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Nokia NRN-522 Exam Syllabus Topics:

SectionObjectives
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. Base station software management
        • 2. Configuration parameter updates in live networks
          Network Operations in 5G RAN- Remote operation of 5G Radio Access Network
          • 1. Apply standard parameter configuration changes
            • 2. Manage base station software lifecycle
              • 3. Connect to Nokia 5G RAN products and solutions
                • 4. Retrieve faults and alarms
                  - Operations Center procedures
                  • 1. Support network operation center workflows
                    • 2. Coordinate with technical support teams for issue resolution

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                      Nokia 5G RAN Network Operations Expert Sample Questions (Q118-Q123):

                      NEW QUESTION # 118
                      During remote piloting of a RET replacement, the field engineer reports that the new RET unit is physically connected, but the NOC engineer cannot detect it during an AISG device scan, while other ALDs on the same antenna line are detected normally. What is a likely cause the NOC engineer should consider?

                      Answer: C

                      Explanation:
                      When other Antenna Line Devices on the same AISG bus are detected normally but a newly connected device is not, two likely causes should be considered. First, AISG devices are addressed individually on the shared bus, and if the new RET unit has a factory-default or previously configured address that conflicts with an address already in use by another device on the same line, it may fail to respond correctly during discovery due to this addressing conflict. Second, despite being reported as 'physically connected,' there may be a faulty or incomplete connection specific to that device's bus connection point - such as a loose connector at the device itself - that does not affect the other devices already established on the line. The NOC engineer should work with the field engineer to check for addressing conflicts (potentially requiring the new device's address to be changed) and to verify its specific bus connection. RET tilt range, NR-ARFCN, and Tracking Area Code have no relevance to AISG device discovery issues.


                      NEW QUESTION # 119
                      What does an 'Antenna Line Device (ALD) fault' alarm on an AirScale cell typically indicate?

                      Answer: C

                      Explanation:
                      Antenna Line Devices (ALDs) include components such as Remote Electrical Tilt (RET) controllers, which allow remote adjustment of antenna downtilt, and Tower-Mounted Amplifiers (TMAs), which improve uplink sensitivity by amplifying received signals near the antenna. These devices communicate with the BTS over an AISG (Antenna Interface Standards Group) bus. An ALD fault alarm indicates a problem with one of these antenna-line components or their communication link - for example, a RET controller not responding to commands, a configuration mismatch, or a power/connectivity issue on the AISG bus. This is unrelated to the NetAct database, software licensing, or any core network issue. Recognizing this alarm correctly scopes the problem to antenna-line equipment, which may be resolvable remotely (re-querying or reconfiguring the device) or may require a field technician to inspect AISG cabling or replace the faulty ALD if remote actions fail.


                      NEW QUESTION # 120
                      Why does Nokia recommend configuring automatic session timeout (inactivity logout) for remote management sessions to AirScale base stations?

                      Answer: D

                      Explanation:
                      Automatic session timeout is a fundamental security control for remote management sessions. If an engineer leaves an authenticated session open and unattended - for example, stepping away from a workstation - anyone with physical or logical access to that workstation could potentially view sensitive configuration data or, more seriously, make unauthorized changes to a live base station, which could impact network stability, security, or subscriber service. Automatically terminating idle sessions after a defined inactivity period minimizes this exposure window. This control is unrelated to site power consumption and does not cause the base station itself to restart - only the management session is closed, while the BTS continues normal operation. It also has no effect on a cell's radio coverage area, which is determined entirely by RF design and configuration parameters such as transmit power and antenna settings.


                      NEW QUESTION # 121
                      Why does NetAct support configuring automatic notifications, such as email or SMS, for Critical severity alarms to NOC personnel?

                      Answer: C

                      Explanation:
                      NetAct supports configuring automatic notifications, such as email or SMS alerts, to be sent to designated NOC personnel when alarms of a certain severity - commonly Critical - are raised. This ensures severe issues are brought to the attention of responsible engineers promptly, even if no one is actively viewing the live FM dashboard at that exact moment, helping reduce the time between a fault occurring and corrective action beginning. This notification mechanism complements, rather than replaces, the FM dashboard, which remains necessary for detailed investigation, alarm correlation across the network, and ongoing monitoring of all severity levels. It does not automatically fix any underlying fault - it is purely an awareness mechanism - and has no effect on how many alarms the network actually generates, which is determined by real fault conditions and configured alarm definitions/thresholds, not by notification settings.


                      NEW QUESTION # 122
                      What does the NR-ARFCN (NR Absolute Radio Frequency Channel Number) represent in a 5G cell's configuration?

                      Answer: C


                      NEW QUESTION # 123
                      ......

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