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Nokia 5G RAN Network Operations Expert Sample Questions:

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

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

A) A standardized numeric reference that identifies the specific carrier frequency on which the cell operates
B) A unique identifier for the cell within the core network's subscriber database
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 engineer is preparing to remotely change a cell's duplex mode configuration from FDD to TDD. What critical dependency must be verified before this change can be successfully applied?

A) That the site has access to a valid timing/synchronization reference (such as GNSS or PTP) required for TDD operation
B) That all active alarms on the cell have been acknowledged
C) That the cell's PLMN ID matches the neighboring cells' PLMN IDs
D) That the cell has an active SFTP connection to NetAct

4. Why does NetAct support configuring automatic notifications, such as email or SMS, for Critical severity alarms to NOC personnel?

A) To ensure timely awareness of severe issues even when staff are not actively watching the FM dashboard, supporting faster initial response
B) To reduce the total number of alarms the network generates
C) To automatically resolve the underlying fault condition
D) To eliminate the need for any live alarm monitoring dashboard

5. Which statement correctly describes how OandM (management) traffic and user-plane traffic (e.g., NG-U/N3) are typically handled on the transport network connecting an AirScale BTS?

A) They must always use exactly the same VLAN and IP address
B) OandM traffic cannot be carried over IP and requires a dedicated leased line
C) They are typically separated using different VLANs and/or IP addressing for security, isolation, and traffic management purposes
D) User-plane traffic configuration has no relationship to transport configuration at all

Solutions: