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Nokia NRN-522 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Network Operations in 5G RAN | - Remote operation of 5G Radio Access Network
|
| 5G RAN Systems and Fault Management | - Alarm and fault handling
|
Nokia 5G RAN Network Operations Expert Sample Questions:
What does the term 'Single RAN' refer to in the context of Nokia AirScale base stations?
- A. A type of SIM card used for testing
- B. A requirement that only one mobile operator can ever use the equipment
- C. A common baseband hardware platform that can support 2G, 3G, 4G, and 5G simultaneously via software configuration
- D. A restriction allowing only one antenna per site
Correct Answer: C 🗳️
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What is the AISG bus used for in the context of antenna line device management?
- A. It is a standardized communication interface that allows the base station to communicate with and control Antenna Line Devices such as RET units and Tower Mounted Amplifiers (TMAs)
- B. It is the main fiber optic link carrying CPRI/eCPRI traffic between the baseband and RF units
- C. It is the OandM IP network used to connect the site to NetAct
- D. It is the power supply cable providing DC power to the baseband unit
Correct Answer: A 🗳️
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A NOC team uses NetAct to download a new software package to a group of base stations during business hours, but schedules the activation of that software for later that night. What is the primary operational benefit of this 'download now, activate later' approach?
- A. Downloading the software automatically restarts the base station immediately, so timing has no operational significance
- B. It allows the time-consuming file transfer to occur without impacting current service, while the service- impacting activation (which typically requires a restart) is deferred to a low-traffic maintenance window
- C. It permanently removes the need to take any backups before activation
- D. Activation always occurs automatically the instant the download completes, regardless of scheduling
Correct Answer: B 🗳️
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What is the role of the Managed Object Model (MOM) in Nokia's RAN configuration management framework?
- A. It is the software package used to upgrade base station firmware
- B. It is a list of all active and historical alarms for a network element
- C. It defines the physical cabling diagram for a base station site
- D. It defines the structured hierarchy of configurable objects (such as network elements, cells, and their parameters) that configuration management tools operate on
Correct Answer: D 🗳️
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After successfully completing a significant remote configuration change on a base station and confirming normal operation, what additional lifecycle management step should the NOC team perform?
- A. Delete all backups associated with the network element to free up storage
- B. Disable the network element's connection to NetAct to prevent further changes
- C. Take an updated configuration backup reflecting the new state, so that this becomes the new baseline restore point for any future changes
- D. Restore the previous backup immediately to undo the change that was just successfully applied
Correct Answer: C 🗳️
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