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Nokia NRN-522 Exam Syllabus Topics:

Nokia 5G RAN Network Operations Expert Sample Questions:

1. What operational benefit does the Automatic Neighbor Relation (ANR) function provide to a NOC team managing 5G RAN configuration?

A) It automatically increases a cell's transmit power whenever coverage gaps are detected
B) It automatically detects neighboring cells based on UE measurement reports and establishes or updates neighbor relations without requiring manual configuration of each relation
C) It automatically changes the PLMN ID of a cell when roaming agreements change
D) It automatically resolves all hardware faults on RF units without engineer intervention

2. A cell repeatedly raises and clears 'Cell Unavailable' alarms. Performance data shows PRB utilization dropping to zero during exactly the same periods. Which area should be investigated FIRST as the likely root cause?

A) NetAct user interface display/theme settings
B) The make and model of subscriber handsets in the area
C) The operator's billing system
D) Possible transport link instability, loss of synchronization reference, or unexpected hardware resets affecting the cell during those periods

3. A NOC engineer is investigating subscriber complaints of being unable to access data services even though their devices show a strong 5G signal and successfully camp on the cell. Which KPI should the engineer examine first to determine whether the issue lies in establishing the data bearer itself?

A) PDU Session / E-RAB Setup Success Rate
B) Reference Signal Received Power (RSRP) distribution
C) Cell Availability
D) Handover Success Rate

4. 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) Edge router
B) Load balancer
C) DNS server
D) Jump server / bastion host

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 holds physical keys to all site cabinets
C) That the engineer owns a personal mobile phone
D) That the engineer's account has unrestricted access to all NetAct modules by default

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