素敵-効率的なNRN-522テスト対策書試験-試験の準備方法NRN-522サンプル問題集

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Nokia NRN-522 Exam Syllabus Topics:

SectionObjectives
5G RAN Products and Solutions Management- Network Connectivity and Access
  • 1. Connecting to Nokia 5G RAN products
  • 2. Accessing and managing network elements remotely
Software Management- Base Station Software Operations
  • 1. Software maintenance and updates
  • 2. Managing 5G base station software
Configuration Management- Parameter Administration
  • 1. Applying standard parameter configuration changes
  • 2. Remote configuration management
Fault and Alarm Management- Monitoring and Troubleshooting
  • 1. Performing corrective actions
  • 2. Retrieving faults and alarms
  • 3. Analyzing operational issues
Remote Operations of 5G Radio Access Networks- 5G RAN Operations Center Procedures
  • 1. Remote network operations concepts
  • 2. Operational workflows in a Network Operations Center

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NRN-522サンプル問題集 & NRN-522対応問題集

NRN-522参考資料を使用したお客様からいい評価をもらいました。NRN-522参考資料は多くの人の絶対いい選択です。NRN-522参考資料の難点については、弊社の専門家ガ例を挙げて説明します。そうすれば、わかりやすく、覚えやすいです。弊社の NRN-522参考資料は実践に基づいて、専門的な知識の蓄積です。だから、NRN-522試験のために、弊社の商品を選ばれば、後悔することがないです。

Nokia 5G RAN Network Operations Expert 認定 NRN-522 試験問題 (Q21-Q26):

質問 # 21
After a field engineer physically replaces a Remote Electrical Tilt (RET) antenna actuator, what remote verification should the NOC engineer perform to confirm the new unit is properly integrated?

正解：C

解説：
Remote Electrical Tilt (RET) units are Antenna Line Devices (ALDs) that communicate with the base station over the Antenna Interface Standards Group (AISG) bus. After a physical RET replacement, the appropriate remote verification is to confirm that the new device is discovered on the AISG bus, that it is communicating correctly with the base station's controller, and that its current tilt position can be read remotely and that tilt adjustment commands are correctly applied and reflected back. This confirms both the physical connectivity (cabling/bus communication) and functional operability (motor and position feedback) of the replaced unit.
The unit's color is irrelevant to functional verification, and while serial number changes are expected with replacement (a new unit will naturally have a different serial number, which should simply be recorded for inventory purposes), it is not itself a functional check. NR-ARFCN relates to radio carrier frequency configuration and has no relationship to RET device verification.


質問 # 22
When configuring NR-NR (5G-to-5G) neighbor relations to support mobility between two 5G cells operating on different frequency bands, which type of neighbor relation must be established?

正解：A

解説：
When two 5G NR cells operate on different frequency bands (or different carrier frequencies within the same band), mobility between them requires an inter-frequency neighbor relation to be configured. This relation must include the necessary frequency information identifying the target carrier, along with measurement configuration parameters that instruct the UE when and how to measure the candidate target frequency - since, unlike intra-frequency measurements, inter-frequency measurements typically require measurement gaps and are not performed continuously by the UE. An intra-frequency neighbor relation would only be appropriate if both cells operated on the same carrier frequency, which is not the case here. Inter-band 5G-to-
5G handovers are not automatic without configuration; the network must explicitly define the relation and measurement parameters to enable the UE to detect and report the target cell. EN-DC relations are specifically for LTE-NR dual connectivity scenarios and are unrelated to NR-NR mobility between two 5G cells.


質問 # 23
A site reports a 'Rectifier Fault' or 'DC Power Fault' alarm together with multiple equipment alarms across different cabinets. What does the rectifier/DC power fault alarm relate to?

正解：A

解説：
A 'Rectifier Fault' or 'DC Power Fault' alarm relates to the site's power infrastructure - specifically the rectifier units that convert incoming AC mains power into the DC voltage used by BTS equipment, often backed by a battery system to ride through short outages. When this alarm appears alongside multiple equipment alarms across different cabinets or modules at the same site, it strongly suggests a shared power supply problem affecting all equipment dependent on that source, rather than independent hardware faults occurring coincidentally across multiple unrelated components. This is unrelated to software licensing, neighbor cell configuration, or NetAct user permissions. Recognizing this pattern helps the NOC engineer correctly identify a power infrastructure issue as the likely root cause, prompting checks on AC mains status, battery backup health, or coordination with site facilities/power maintenance teams, rather than independently chasing each equipment alarm as a separate RAN hardware fault.


質問 # 24
What is the primary purpose of the Xn interface in a 5G RAN architecture?

正解：C

解説：
The Xn interface is the logical interface that connects neighboring gNBs (5G base stations) directly to one another, serving a role analogous to the X2 interface in 4G LTE. Its primary purpose is to support mobility- related signaling and data exchange between gNBs - most notably during handover procedures, where the source and target gNB use the Xn interface to coordinate the handover, exchange context information about the UE, and forward any buffered downlink user-plane data to minimize service interruption during the transition. The Xn interface can also carry information used for interference management and load balancing between neighboring cells. It is distinct from interfaces connecting the gNB to the core network (such as the NG interface), from intra-base-station interfaces like CPRI/eCPRI connecting baseband and RF units, and from the O and M connectivity used for software management, each of which serves a different architectural function within the overall RAN system.


質問 # 25
An operator is considering reducing the PM Result Output Period (ROP) for a set of cells from 15 minutes to
1 minute to enable near real-time troubleshooting. What is the most significant operational trade-off of this change?

正解：C

解説：
Reducing the Result Output Period increases the frequency at which performance counters are collected, processed, and stored, which proportionally increases the volume of measurement data generated by each network element. Moving from a 15-minute to a 1-minute ROP, for example, would generate roughly fifteen times more data points over the same time period. This places significantly higher demand on the file transfer, processing, and storage capacity of NetAct and any downstream analytics systems, and can also increase signaling and processing load on the base stations themselves. While finer granularity can be valuable for short-term, targeted troubleshooting of a specific cell during an active investigation, it is not typically sustainable as a network-wide, long-term configuration. KPI formulas remain valid regardless of ROP, alarm notifications are a separate mechanism unaffected by PM ROP settings, and historical trending remains possible - it simply involves more granular data points.


質問 # 26
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