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Nokia NRN-522 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Software Management | - Base Station Software Operations
|
| Configuration Management | - Parameter Administration
|
| Remote Operations of 5G Radio Access Networks | - 5G RAN Operations Center Procedures
|
| Fault and Alarm Management | - Monitoring and Troubleshooting
|
| 5G RAN Products and Solutions Management | - Network Connectivity and Access
|
Nokia 5G RAN Network Operations Expert Sample Questions:
Question 1
What is the primary function of the AirScale System Module within an AirScale Base Transceiver Station (BTS)?
A. RF amplification and antenna interfacing
B. Baseband processing, control-plane functions, and OandM connectivity, supporting multiple radio technologies under Single RAN
C. Providing power supply for the macro cabinet only
D. Generating the GPS satellite timing signal
Question 2
Before performing a remote software upgrade on a base station, what should a NOC engineer ensure has been completed regarding the site's current state?
A. All neighbor relations for the site have been removed to prevent interference during the upgrade
B. All historical alarms for the site have been permanently deleted from NetAct
C. The site's PLMN ID has been changed to a temporary value during the upgrade
D. A current configuration and software backup has been taken and verified, providing a restore point if the upgrade encounters issues
Question 3
NetAct shows an AirScale gNB as 'Connection Lost' although there has been no reported power outage at the site. What should the NOC engineer check FIRST?
A. Cell Physical Cell Identity (PCI) configuration
B. IP connectivity/transport link between NetAct and the site (routing, firewall, backhaul status)
C. RF unit VSWR readings
D. Antenna electrical tilt settings
Question 4
How do NetAct and the AirScale BTS local Element Manager (Site Manager) typically relate to each other in day-to-day remote operations?
A. The Element Manager centrally manages multiple base station sites across the network
B. NetAct eliminates any need for local element-level management tools
C. NetAct provides centralized, network-wide OAM, while the Element Manager provides detailed, element-specific local access for in-depth diagnostics
D. NetAct manages only 2G/3G technologies, while the Element Manager manages only 5G
Question 5
During PCI planning for a dense cluster of 5G cells, why is it important to avoid assigning PCI values that result in the same PCI modulo group (such as the same PCI mod 3 value) to closely located neighboring cells?
A. Because cells with the same PCI mod 3 value cannot be included in the same Tracking Area
B. Because PCI mod 3 values determine the cell's maximum allowed bandwidth
C. Because PCI mod values determine which software version each cell can run
D. Because cells sharing the same PCI mod 3 group transmit certain reference signal sequences on the same resource elements, which can cause increased reference signal interference between those cells
Solutions:
| Question 1 Answer: B | Question 2 Answer: D | Question 3 Answer: B | Question 4 Answer: C | Question 5 Answer: D |


