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

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Nokia NRN-522 Exam Syllabus Topics:

Nokia 5G RAN Network Operations Expert Sample Questions:

Question 1

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

A. There is no functional difference between the two; both terms describe identical behavior
B. A graceful restart can only be performed by physically power-cycling the equipment on site
C. A graceful restart permanently disables the unit, while an immediate restart only temporarily disables it
D. 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

Question 2

A site reports a 'Rectifier Fault' or 'DC Power Fault' alarm together with multiple equipment alarms across different cabinets. What does the rectifier/DC power fault alarm relate to?

A. NetAct user account permissions
B. The configuration of neighboring cells
C. The site's AC-to-DC power supply system feeding the equipment
D. A software licensing issue on the base station

Question 3

When a software package is transferred to a base station via SFTP as part of a remote software delivery, what is the purpose of performing a checksum verification on the downloaded file before activation?

A. To determine the geographic location of the base station
B. To automatically translate the software package into a different programming language
C. To calculate the cell's current handover success rate
D. To confirm that the downloaded file has not been corrupted or altered during transfer, ensuring that activation proceeds using a complete and intact software image

Question 4

Handover Success Rate is a KPI primarily used to assess which aspect of network performance?

A. Software version compliance across the network
B. Mobility performance - how successfully UEs transfer between cells
C. The integrity of configuration backup files
D. NetAct software license utilization

Question 5

A NOC engineer is trying to isolate whether a fault originates in the baseband processing unit or in an RF module of an AirScale BTS. What is a useful FIRST diagnostic step?

A. Immediately replace the antenna
B. Restart the entire NetAct management server
C. Check the status and alarm details of the interface (such as CPRI/eCPRI links) between the System Module and the RF unit
D. Increase transmit power to see if the fault changes

Solutions: