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| Section | Weight | Objectives |
|---|---|---|
| Performance Monitoring and Optimization | 20% | - Performance analysis and optimization
|
| 5G RAN Architecture and Fundamentals | 20% | - 5G RAN logical and physical architecture
|
| Security and Compliance | 10% | - Security features and procedures
|
| Fault Management and Troubleshooting | 25% | - Common issues and solutions
|
| Network Configuration and Management | 25% | - Software management and upgrades
|
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NEW QUESTION # 42
Why does NetAct support configuring automatic notifications, such as email or SMS, for Critical severity alarms to NOC personnel?
Answer: A
Explanation:
NetAct supports configuring automatic notifications, such as email or SMS alerts, to be sent to designated NOC personnel when alarms of a certain severity - commonly Critical - are raised. This ensures severe issues are brought to the attention of responsible engineers promptly, even if no one is actively viewing the live FM dashboard at that exact moment, helping reduce the time between a fault occurring and corrective action beginning. This notification mechanism complements, rather than replaces, the FM dashboard, which remains necessary for detailed investigation, alarm correlation across the network, and ongoing monitoring of all severity levels. It does not automatically fix any underlying fault - it is purely an awareness mechanism - and has no effect on how many alarms the network actually generates, which is determined by real fault conditions and configured alarm definitions/thresholds, not by notification settings.
NEW QUESTION # 43
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?
Answer: D
Explanation:
Commissioning brings a newly installed AirScale BTS under NetAct management, loads the correct software and configuration, and activates its cells. The definitive operational confirmation that commissioning is complete and the site is ready for live service is that the relevant cells show an unlocked (administratively enabled) state combined with an operational 'in service'/available status in NetAct, and there are no outstanding blocking faults or critical alarms preventing service. This combination of administrative and operational state, together with a clean alarm list, is what NOC engineers check before confirming a site is live. Appearing on a mapping tool, having fiber physically installed by the transport provider, or having power equipment installed are all useful prerequisite facts about the site's physical readiness, but none of them confirm that the RAN equipment itself has successfully completed commissioning and is carrying traffic.
NEW QUESTION # 44
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?
Answer: B
Explanation:
When other Antenna Line Devices on the same AISG bus are detected normally but a newly connected device is not, two likely causes should be considered. First, AISG devices are addressed individually on the shared bus, and if the new RET unit has a factory-default or previously configured address that conflicts with an address already in use by another device on the same line, it may fail to respond correctly during discovery due to this addressing conflict. Second, despite being reported as 'physically connected,' there may be a faulty or incomplete connection specific to that device's bus connection point - such as a loose connector at the device itself - that does not affect the other devices already established on the line. The NOC engineer should work with the field engineer to check for addressing conflicts (potentially requiring the new device's address to be changed) and to verify its specific bus connection. RET tilt range, NR-ARFCN, and Tracking Area Code have no relevance to AISG device discovery issues.
NEW QUESTION # 45
A NOC engineer needs to open an interactive command-line session directly to an AirScale BTS for advanced diagnostics. Which protocol should be used to comply with Nokia's secure remote access guidelines?
Answer: A
Explanation:
SSH (Secure Shell) is the protocol mandated for interactive command-line access to AirScale base stations because it encrypts the entire session, including login credentials, commands, and output, protecting it from interception as it traverses the wide-area transport network between the Operations Center and the remote site. Telnet transmits all data, including usernames and passwords, in plain text and is explicitly disallowed on production network elements due to the severe security risk. HTTP may be used for some web-based management interfaces but is not the standard for direct CLI diagnostic sessions, and plain HTTP itself is also insecure unless using HTTPS. SNMPv1 is an older management protocol used for polling status and traps, lacks strong authentication and encryption, and is not used for interactive shell sessions. Nokia's hardening guidelines for remote operations require encrypted management protocols such as SSH for all direct element access.
NEW QUESTION # 46
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?
Answer: D
Explanation:
Once a significant configuration change has been successfully applied and verified - meaning the network element is operating normally with the new configuration in place - it is good practice to take an updated backup reflecting this new state. This becomes the new baseline restore point for any future changes, ensuring that if a subsequent change needs to be rolled back, the rollback target reflects the current, correct configuration rather than an outdated one that no longer matches the network element's intended state.
Restoring the previous backup immediately after a successful change would simply undo the work just completed, which is counterproductive. Deleting backups removes valuable recovery options and is contrary to good change management practice. Disabling the element's connection to NetAct would prevent the NOC from performing any future monitoring, fault management, or configuration activities on that element, which is operationally undesirable and unrelated to good post-change practice.
NEW QUESTION # 47
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