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Updated: Jul 16, 2026
No. of Questions: 122 Questions & Answers with Testing Engine
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Nokia 5G RAN Network Operations Expert Sample Questions:
1. Which statement correctly distinguishes 'Integrity' KPIs from 'Accessibility' KPIs in RAN performance management?
A) Integrity KPIs apply only to 2G networks and have no 5G equivalent
B) Integrity KPIs measure the quality/throughput of an already-established connection, while Accessibility KPIs measure the success of initially establishing the connection
C) They represent the same underlying category, simply measured using different counters
D) Accessibility KPIs exclusively measure data throughput
2. What does the NR-ARFCN (NR Absolute Radio Frequency Channel Number) represent in a 5G cell's configuration?
A) A unique identifier for the cell within the core network's subscriber database
B) A standardized numeric reference that identifies the specific carrier frequency on which the cell operates
C) The number of active alarms currently reported by the cell
D) The percentage of available PRBs currently in use by the cell
3. A NOC team is investigating a degradation in E-RAB / QoS flow setup success rate for a specific gNB.
Which approach is MOST effective for identifying the root cause?
A) Reviewing only high-level marketing performance summaries
B) Correlating the KPI degradation with active alarms, recent configuration changes, and relevant counters (e.g., resource congestion, transport, signaling) for that gNB during the affected period
C) Assuming the cause is always the subscribers' devices without checking network-side data
D) Restarting NetAct entirely without further analysis
4. What is the primary function of the AirScale System Module within an AirScale Base Transceiver Station (BTS)?
A) Providing power supply for the macro cabinet only
B) Generating the GPS satellite timing signal
C) Baseband processing, control-plane functions, and OandM connectivity, supporting multiple radio technologies under Single RAN
D) RF amplification and antenna interfacing
5. A NOC engineer observes an 'alarm storm' - dozens of alarms appearing within seconds across multiple cells served by the same site. What is the MOST likely explanation?
A) Each cell independently and coincidentally developed an unrelated hardware fault at exactly the same moment
B) These alarms are unrelated to the site and can be safely ignored
C) NetAct has a software defect that always duplicates alarms across cells
D) A shared resource serving all those cells - such as the transport link, power supply, System Module, or synchronization source - has failed
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: C | Question # 5 Answer: D |
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