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Nokia NRN-522 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: 5G RAN Systems and Fault Management | - Alarm and fault handling
|
| Topic 2: Network Operations in 5G RAN | - Remote operation of 5G Radio Access Network
|
Nokia 5G RAN Network Operations Expert Sample Questions:
After completing a software upgrade and subsequent configuration adjustments at a site, why is it important for the NOC engineer to update the site's maintenance records and change documentation?
- A. Because documentation is purely a regulatory formality with no operational value
- B. Because updating documentation automatically triggers a new software download to the site
- C. Because change documentation determines the cell's PCI value
- D. Because accurate, up-to-date records of what changes were made, when, and by whom support future troubleshooting, audits, and provide context if related issues arise later
Correct Answer: D 🗳️
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When a software package is transferred to a base station via SFTP as part of a remote software delivery, what is the purpose of performing a checksum verification on the downloaded file before activation?
- A. To calculate the cell's current handover success rate
- B. To automatically translate the software package into a different programming language
- C. To determine the geographic location of the base station
- D. To confirm that the downloaded file has not been corrupted or altered during transfer, ensuring that activation proceeds using a complete and intact software image
Correct Answer: D 🗳️
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During remote piloting of a RET replacement, the field engineer reports that the new RET unit is physically connected, but the NOC engineer cannot detect it during an AISG device scan, while other ALDs on the same antenna line are detected normally. What is a likely cause the NOC engineer should consider?
- A. The RET unit's tilt range is set too high
- B. The new RET unit may have an AISG address conflict with another device on the same bus, or the connection to the bus itself may be faulty
- C. The site's Tracking Area Code needs to be updated to match the new device
- D. The cell's NR-ARFCN is configured incorrectly
Correct Answer: B 🗳️
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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 permanently removes the need to take any backups before activation
- C. Activation always occurs automatically the instant the download completes, regardless of scheduling
- D. 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
Correct Answer: D 🗳️
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A NOC engineer wants to confirm that a newly installed AirScale BTS has completed commissioning and is ready to carry live traffic. Which indicator provides this confirmation?
- A. The relevant cells show an unlocked/enabled administrative state and an operational 'in service' status in NetAct, with no blocking alarms
- B. The transport provider confirms that fiber has been physically installed at the site
- C. The power equipment vendor confirms their installation is complete
- D. The site appears correctly on a public mapping application
Correct Answer: A 🗳️
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