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Nokia NRN-522 exam covers a broad range of topics, including 5G RAN architecture, network slicing, beamforming, Massive MIMO, millimeter-wave technology, and more. Candidates are required to have a thorough understanding of the 5G RAN principles, protocols, and procedures. They must also be proficient in using various tools and techniques to troubleshoot network issues and optimize performance.
Nokia NRN-522 Exam covers a wide range of topics related to 5G RAN network operations, including small cells, beamforming, massive MIMO, network slicing, network orchestration, cloud-native RAN, and more. NRN-522 exam consists of multiple-choice questions and performance-based questions that test the candidate's ability to identify and troubleshoot network issues.
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Nokia NRN-522 (Nokia 5G RAN Network Operations Expert) Certification Exam is an industry-recognized certification program designed for professionals who want to demonstrate their expertise in operating and managing 5G RAN networks. NRN-522 Exam is designed to test the knowledge and skills required to operate and maintain 5G RAN networks, including troubleshooting, optimization, and configuration of the network.
NEW QUESTION # 22
A 'High VSWR' (Voltage Standing Wave Ratio) alarm is raised on an RF unit's antenna branch. What does this alarm typically indicate a problem with?
Answer: D
Explanation:
Voltage Standing Wave Ratio (VSWR) measures how efficiently RF energy transmitted by the radio unit is delivered into the antenna system versus being reflected back due to an impedance mismatch. A High VSWR alarm indicates a significant mismatch on a particular antenna branch or port, commonly caused by issues such as a damaged or loose feeder cable connection, a faulty or improperly seated RF connector, moisture
/water ingress into a connector, or physical damage to an antenna element. This is a radio-frequency hardware issue on the affected branch and is entirely unrelated to NetAct server storage, core network mobility functions, or billing systems. For NOC engineers, a persistent High VSWR alarm typically signals that a field visit may be needed to inspect and repair the physical RF connections or replace damaged hardware on that antenna line, since it is a physical-layer condition not resolvable through remote configuration alone.
NEW QUESTION # 23
Within NetAct, which functional module is primarily responsible for planning, distributing, and activating software packages across base stations?
Answer: A
Explanation:
The Software Management (SWM) module within NetAct is the centralized functional area responsible for the end-to-end software lifecycle of base stations and other network elements, including planning software deployment campaigns, distributing (downloading) software packages to target network elements, scheduling and triggering activation, and monitoring the success or failure of these operations across potentially large numbers of sites. This is distinct from Fault Management (FM), which handles alarms and fault conditions; Performance Management (PM), which handles KPI and counter-based performance data; and Configuration Management (CM), which handles parameter and configuration provisioning. While these modules may interact - for example, a software activation might generate alarms visible in FM, or a software change might necessitate subsequent configuration adjustments via CM - the core responsibility for managing software packages, versions, and activation campaigns rests specifically with SWM, making it the primary tool a NOC engineer would use for software lifecycle activities.
NEW QUESTION # 24
A KPI tracks the percentage of established connections or sessions that end abnormally ('dropped') rather than through a normal release procedure. Which KPI category does this belong to?
Answer: B
Explanation:
Retainability KPIs measure whether connections or sessions that have been successfully established remain stable and are terminated through normal procedures, rather than ending abnormally (a 'drop'). A high abnormal release/drop rate indicates retainability problems - subscribers may experience calls or data sessions ending unexpectedly mid-use, significantly impacting user experience even when the initial connection (accessibility) succeeded. This differs from Accessibility, which measures the success of the initial connection attempt; Mobility, which specifically measures handover performance; and Availability, which measures whether a cell or site is in service over time. Retainability degradation can result from radio link failures, interference, transport instability, or hardware issues affecting an already-active connection. NOC engineers monitoring retainability KPIs focus on the stability of in-progress sessions, a key contributor to overall subscriber-perceived quality of service.
NEW QUESTION # 25
For security segmentation, NOC personnel typically do not connect directly from their workstations to production AirScale base stations. Instead, they first authenticate to an intermediate, hardened host. What is this intermediate host commonly called?
Answer: C
NEW QUESTION # 26
Which file transfer protocol does Nokia recommend for securely delivering software packages, license files, and configuration backups to and from AirScale base stations during remote operations?
Answer: C
Explanation:
SFTP (SSH File Transfer Protocol) runs over an encrypted SSH session, protecting both the transferred files and the authentication credentials used to access the base station, making it the recommended method for remote software delivery, license file transfer, and configuration backup/restore operations on AirScale equipment. Plain FTP transmits both data and login credentials in clear text and is considered unsuitable for production network operations due to the security exposure. TFTP provides no authentication mechanism at all and is generally limited to local, trusted bootstrapping or recovery scenarios rather than wide-area remote software delivery. SMTP is an email transport protocol and is unrelated to file transfer with network elements. Using SFTP ensures that base station software lifecycle activities - including remote updates and patch application performed from a centralized Operations Center - occur over a secure, end-to-end encrypted channel.
NEW QUESTION # 27
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