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| Section | Weight | Objectives |
|---|---|---|
| Fault Management and Troubleshooting | 25% | - Alarm and fault handling
|
| Network Configuration and Management | 25% | - Parameter management and configuration
|
| Security and Compliance | 10% | - Security features and procedures
|
| 5G RAN Architecture and Fundamentals | 20% | - Protocol stack and interfaces
|
| Performance Monitoring and Optimization | 20% | - Key performance indicators (KPIs)
|
The DumpsTests is one of the leading platforms that has been offering real and valid Nokia 5G RAN Network Operations Expert (NRN-522) exam practice test questions. These Nokia 5G RAN Network Operations Expert (NRN-522) exam questions are designed and verified by Nokia NRN-522 subject matter experts. They work closely together and put all their expertise to check the Nokia NRN-522 exam questions one by one.
NEW QUESTION # 50
What is the purpose of a NetAct configuration/network audit tool in remote operations?
Answer: C
Explanation:
A NetAct configuration (network) audit tool compares the parameter values currently deployed on live network elements against a defined reference or baseline configuration - sometimes called a golden configuration or template - and reports any deviations or inconsistencies found. This is highly valuable for remote operations because it can detect unauthorized or accidental configuration changes, configuration drift following maintenance activities, or sites that failed to receive an intended bulk update correctly, all without requiring a physical site visit. It directly supports standard provisioning workflows by allowing engineers to confirm that planned configuration changes were applied correctly and consistently across all targeted base stations. The tool does not perform physical inspection of cabinets (a field activity), does not measure power consumption (handled by environmental/equipment monitoring functions), and is not used to produce marketing material - its scope is strictly configuration verification within the OAM domain.
NEW QUESTION # 51
What is the primary purpose of the secure IPsec VPN tunnel established between a centralized Operations Center and a remote 5G site's transport network?
Answer: B
Explanation:
Centralized Operations Centers connect to many geographically distributed 5G sites over shared transport infrastructure that may include third-party or public network segments. A secure tunnel, typically using IPsec, is established between the Operations Center's management domain and the site's security gateway to encrypt and authenticate all Operations, Administration, and Maintenance (O and M) traffic - including configuration commands, alarm and performance data, and software transfers - protecting it from interception, tampering, or unauthorized access. This secure channel has no effect on RF transmit power, which is governed by separate cell configuration parameters, and it does not perform software compression, which is a function of the software packaging process itself. It also does not replace alarm monitoring, which is handled by NetAct's Fault Management module; rather, the VPN ensures that alarm data itself reaches the Operations Center securely.
NEW QUESTION # 52
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?
Answer: C
Explanation:
Maintaining accurate and current maintenance records and change documentation - detailing what changes were made, when they were performed, by whom, and the reasoning or ticket reference behind them - provides essential context for future operations. If an issue arises at the site days, weeks, or months later, having a clear record of recent changes allows engineers investigating the new issue to quickly identify whether it might be related to a recent software upgrade or configuration adjustment, significantly speeding up root-cause analysis. This documentation also supports configuration audits, compliance requirements, and knowledge transfer between team members or shifts, ensuring continuity even as different engineers interact with the site over time. While documentation does have value for regulatory and audit purposes, dismissing it as having no operational value is incorrect - it directly supports troubleshooting efficiency. Documentation itself does not trigger software downloads or determine technical parameters like PCI, which are governed by separate configuration and software lifecycle processes.
NEW QUESTION # 53
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?
Answer: A
Explanation:
For security, isolation, and quality-of-service reasons, AirScale base stations typically separate Operations and Maintenance (O and M) traffic from user-plane traffic (such as NG-U/N3 in 5G or S1-U in 4G) using distinct VLANs and/or IP addressing on the transport network. This separation ensures that configuration commands, alarm reporting, and software transfers travel on a logically isolated path from subscriber data, reducing the risk that issues or attacks affecting the user-plane path could impact management connectivity, and allowing each traffic type to be independently prioritized and monitored. It is incorrect that they must share identical addressing, that O and M cannot use IP (modern AirScale O and M is IP-based and typically carried over the same physical transport with logical separation), or that user-plane traffic configuration is unrelated to transport - transport interface parameters configured via NetAct CM directly determine how user-plane traffic is carried.
NEW QUESTION # 54
During a remote piloting activity, the NOC engineer and field engineer are unable to bring a replaced RF unit into service despite following standard verification and troubleshooting steps, and a hardware fault on the new unit itself is suspected. What is the most appropriate next step?
Answer: A
Explanation:
When standard remote troubleshooting and on-site verification steps have been exhausted and a hardware fault on the newly installed unit itself is suspected, continuing to repeat the same steps is unlikely to be productive and delays resolution. The appropriate next step is to escalate the issue to the next level of support
- which may be a specialized technical support team or the equipment vendor's technical assistance center - providing clear documentation of what steps have already been performed, the specific symptoms observed (such as particular alarm codes or link status indications), and the basis for suspecting a hardware fault on the new unit. This documentation allows the receiving team to avoid repeating already-completed steps and to focus on deeper diagnosis, which may lead to confirming a defective unit and arranging a further replacement. Leaving the site without resolution or communication abandons the activity in an incomplete state, and deleting the cell's configuration would not address a suspected hardware defect and would create additional, unnecessary recovery work.
NEW QUESTION # 55
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