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Nokia NRN-522 Exam Syllabus Topics:

Nokia 5G RAN Network Operations Expert Sample Questions:

1. 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 remotely controls the field engineer's vehicle to ensure timely arrival at the site
B) The NOC engineer has no active role and simply waits for the field engineer to report task completion
C) 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
D) The NOC engineer travels to the site to physically perform the hardware replacement alongside the field engineer

2. What is the role of the Managed Object Model (MOM) in Nokia's RAN configuration management framework?

A) It defines the physical cabling diagram for a base station site
B) It defines the structured hierarchy of configurable objects (such as network elements, cells, and their parameters) that configuration management tools operate on
C) It is the software package used to upgrade base station firmware
D) It is a list of all active and historical alarms for a network element

3. 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 PCI mod 3 values determine the cell's maximum allowed bandwidth
B) Because cells with the same PCI mod 3 value cannot be included in the same Tracking Area
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

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

5. Which of the following best describes 'fault isolation' as performed by NOC technical support before deciding whether to dispatch a field engineer?

A) Assuming every fault automatically requires a full site rebuild
B) Replacing hardware components at random until the alarm clears
C) Using available remote diagnostics - alarms, correlation, PM data, interface status, and logs - to determine whether the fault likely lies in the baseband, RF, transport, or external/environmental domain
D) Disregarding any alarm correlation information available

Solutions: