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Nokia NRN-522 Exam Syllabus Topics:

Nokia 5G RAN Network Operations Expert Sample Questions:

1. A specific neighbor relation between Cell A and Cell B shows a consistently low handover success rate, while overall network-wide mobility KPIs remain healthy. What is the most appropriate first troubleshooting step?

A) Restart the entire baseband module serving Cell A
B) Increase the transmit power of every cell in the cluster
C) Reboot the core network mobility management element
D) Review and verify the neighbor relation configuration and measurement parameters between Cell A and Cell B

2. What best describes the role of 'remote piloting' as performed by a NOC engineer supporting a field engineer during an on-site hardware replacement?

A) The NOC engineer uses centralized OandM tools to guide the field engineer through the procedure step- by-step, performing remote configuration, verification, and diagnostic actions while the field engineer carries out the physical tasks on site
B) The NOC engineer travels to the site to physically perform the hardware replacement alongside the field engineer
C) The NOC engineer has no active role and simply waits for the field engineer to report task completion
D) The NOC engineer remotely controls the field engineer's vehicle to ensure timely arrival at the site

3. While remotely piloting an RF unit replacement, the NOC engineer notices the new unit is detected but the cell fails to come into service, with an alarm indicating a CPRI/eCPRI configuration mismatch. What is a likely cause that the NOC and field engineer should jointly investigate?

A) The field engineer used a different brand of cable ties than specified
B) The cell's PLMN ID was automatically changed during the replacement
C) The replacement RF unit is connected to a different physical port than the original unit, resulting in a mapping that does not match the existing configuration
D) The replacement RF unit's exterior paint color does not match the original

4. What is the primary purpose of performing a configuration audit that compares a live network element's current parameter settings against an approved configuration baseline or template?

A) To calculate the cell's handover success rate for the past reporting period
B) To identify unauthorized, accidental, or drifted configuration changes that deviate from the approved standard, supporting configuration integrity and compliance
C) To measure the cell's current PRB utilization for capacity planning
D) To determine which alarms are currently active on the network element

5. NetAct reports the transport link to a remote 5G site as 'up', but the NOC engineer still cannot establish an OandM session to the AirScale BTS. What is the MOST appropriate next troubleshooting step?

A) Restart the entire NetAct server
B) Verify authentication credentials/certificates and the OandM IP/VLAN configuration on the base station
C) Immediately dispatch a technician to replace the RF module
D) Increase the cell's reference signal transmit power

Solutions: