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Nokia NRN-522 Exam Syllabus Topics:

Nokia 5G RAN Network Operations Expert Sample Questions:

Question 1

What does the NR-ARFCN (NR Absolute Radio Frequency Channel Number) represent in a 5G cell's configuration?

A. The number of active alarms currently reported by the cell
B. A standardized numeric reference that identifies the specific carrier frequency on which the cell operates
C. The percentage of available PRBs currently in use by the cell
D. A unique identifier for the cell within the core network's subscriber database

Question 2

A KPI tracks the percentage of established connections or sessions that end abnormally ('dropped') rather than through a normal release procedure. Which KPI category does this belong to?

A. Accessibility
B. Mobility
C. Retainability
D. Availability

Question 3

What is the key distinction between a full site backup and a partial (configuration-only) backup in the context of base station lifecycle management?

A. There is no practical difference; both terms refer to identical backup content
B. A full backup includes both the software load and the complete configuration data, while a partial backup typically captures only configuration data without the software image
C. A partial backup can only be performed by a field engineer physically present at the site
D. A full backup only captures alarm history, while a partial backup captures performance counters

Question 4

Before rolling out a new software release across an entire region's base stations, an operator first activates it on a small subset of sites and closely monitors their performance for a period of time. What is this practice commonly called, and what is its primary benefit?

A. A factory reset campaign - its benefit is reducing license costs
B. A configuration audit - its benefit is verifying PLMN ID consistency
C. A staged or pilot (canary) rollout - its benefit is detecting any issues introduced by the new software on a limited number of sites before wider deployment, limiting the potential impact of unforeseen problems
D. A bulk parameter update - its benefit is applying neighbor relation changes more quickly

Question 5

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's exterior paint color does not match the original
D. 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

Solutions: