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Nokia NRN-522 Exam Syllabus Topics:

Nokia 5G RAN Network Operations Expert Sample Questions:

1. A field engineer needs to work in close proximity to an antenna to replace a Tower Mounted Amplifier (TMA). What is the NOC engineer's most important responsibility before the field engineer begins this work?

A) Increase the cell's transmit power so the field engineer can verify signal strength during the work
B) Schedule the work for the busiest traffic hour to gather more performance data during the activity
C) Disable all alarm notifications for the site for the remainder of the day
D) Ensure the affected cell's RF transmission is placed into a safe state (such as locking the cell) to help protect the field engineer from RF exposure while working near the antenna

2. Following completion of a hardware replacement and remote piloting activity, which combination of checks represents the most complete final verification before the NOC engineer closes out the activity as successful?

A) Confirming the field engineer has packed up their tools
B) Confirming the weather conditions at the site were favorable during the activity
C) Confirming all previously raised alarms related to the activity have cleared (or only expected residual alarms remain), the cell is unlocked and in service, relevant links (such as CPRI/eCPRI and AISG) report normal status, and short-term KPIs are consistent with the site's historical baseline
D) Confirming the replacement part's serial number matches the shipping manifest, with no further checks required

3. A NOC engineer needs to open an interactive command-line session directly to an AirScale BTS for advanced diagnostics. Which protocol should be used to comply with Nokia's secure remote access guidelines?

A) SSH
B) HTTP
C) Telnet
D) SNMPv1

4. After a remote piloting session for a hardware replacement is successfully completed and the site is confirmed to be back in normal operation, what should the NOC engineer do regarding the activity record?

A) Document the activity, including the actions taken, verification results, and final status, in the appropriate maintenance ticket or change record
B) Forward the field engineer's personal mobile number to all other NOC team members
C) Take no further action, since verbal confirmation with the field engineer is sufficient and no written record is needed
D) Delete the maintenance ticket immediately, since the issue has been resolved

5. 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 has completed required training and is assigned a role matching their responsibilities under the least-privilege principle
B) That the engineer's account has unrestricted access to all NetAct modules by default
C) That the engineer owns a personal mobile phone
D) That the engineer holds physical keys to all site cabinets

Solutions: