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Nokia NRN-522: Nokia 5G RAN Network Operations Expert Exam is an essential certification for individuals involved in the deployment, configuration, and maintenance of Nokia 5G RAN networks. Nokia 5G RAN Network Operations Expert certification validates the candidate's expertise in 5G RAN network operations, which can open up new career opportunities and provide a competitive edge in the job market. NRN-522 exam covers a wide range of topics, ensuring that individuals have a thorough understanding of 5G RAN network operations and can effectively manage and troubleshoot issues that may arise.
Nokia NRN-522 Certification Exam covers a wide range of topics related to the 5G RAN network, including network architecture, protocols, interfaces, and management tools. It also includes topics related to network security, performance optimization, and troubleshooting. NRN-522 exam is designed to assess an individual's ability to identify and resolve network issues, ensure network performance and manage network resources effectively.
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Nokia NRN-522 (Nokia 5G RAN Network Operations Expert) Certification Exam is a highly specialized test designed to assess the skills and knowledge of professionals in the field of 5G network operations. Nokia 5G RAN Network Operations Expert certification exam is intended for individuals who are responsible for the operation and maintenance of 5G radio access networks (RAN) using Nokia equipment. NRN-522 Exam is designed to test the candidate's understanding of the 5G RAN network and their ability to perform tasks such as network planning, optimization, and troubleshooting.
NEW QUESTION # 110
After a remote piloting session for a hardware replacement is successfully completed and the site is confirmed to be back in normal operation, what should the NOC engineer do regarding the activity record?
Answer: B
Explanation:
After successfully completing a remote piloting session, documenting the activity in the appropriate maintenance ticket or change record is an essential closing step. This documentation should capture what actions were taken (both remotely and physically), the verification steps performed and their results (such as confirmation that the cell returned to service without alarms and that links were re-established), and the final status of the site. This record provides traceability for future reference - for example, if related issues arise later, or for audit and reporting purposes - and ensures continuity for other team members who may not have been involved in the original activity but need context later. Relying solely on verbal confirmation provides no lasting record and is inconsistent with good operational practice. Deleting the ticket immediately discards this valuable history, and sharing a field engineer's personal contact information with the broader team is unrelated to activity documentation and would raise privacy considerations.
NEW QUESTION # 111
What is the purpose of a NetAct configuration/network audit tool in remote operations?
Answer: A
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 # 112
How is the Cell Availability KPI typically calculated for a reporting period, and what does this KPI primarily reflect?
Answer: C
Explanation:
Cell Availability is an Availability-category KPI that measures the proportion of a given reporting period during which a cell was operationally able to carry traffic - that is, unlocked, in service, and not blocked by a fault. It is calculated as the ratio of the time the cell was actually available to the total duration of the reporting period, expressed as a percentage. Periods of planned maintenance (administrative locking) are sometimes excluded or tracked separately from unplanned outages, depending on operator reporting policy, since the two have different operational implications. This KPI is critical for service level agreement (SLA) reporting and for identifying cells with recurring stability issues such as repeated automatic resets, hardware faults, or transport outages. It is distinct from throughput-based, handover-based, or alarm-count-based ratios, which belong to other KPI categories and answer different operational questions.
NEW QUESTION # 113
A NOC engineer is preparing to remotely change a cell's duplex mode configuration from FDD to TDD. What critical dependency must be verified before this change can be successfully applied?
Answer: C
Explanation:
TDD (Time Division Duplex) operation requires precise time synchronization between cells, because uplink and downlink transmissions share the same frequency but are separated in time according to a coordinated frame structure. If neighboring TDD cells are not tightly synchronized, their uplink and downlink slots can overlap, causing severe cross-interference between cells. Before converting a cell's duplex mode to TDD, it is therefore critical to verify that the site has access to a reliable, accurate timing/synchronization reference - typically GNSS (such as GPS) or a network-based reference distributed via PTP (Precision Time Protocol) - and that the synchronization source is stable and within required accuracy limits. FDD (Frequency Division Duplex), by contrast, uses separate frequencies for uplink and downlink and does not have this same stringent synchronization dependency. SFTP connectivity, PLMN matching, and alarm acknowledgment status, while operationally relevant in general, are not the critical technical dependency specific to a duplex mode change.
NEW QUESTION # 114
Which Nokia centralized network management system is primarily used by NOC and technical support personnel to monitor, configure, and manage AirScale 5G base stations remotely from an Operations Center?
Answer: D
Explanation:
NetAct is Nokia's centralized Operations Support System (OSS) and is the primary platform used by NOC and technical support teams to manage AirScale 5G base stations from a centralized Operations Center. It integrates Fault Management (FM), Configuration Management (CM), Performance Management (PM), and Software Management (SWM) modules into a single environment, allowing engineers to monitor alarms, push configuration changes, review KPI dashboards, and manage software lifecycle activities across the entire RAN estate without visiting individual sites. While element-level tools such as BTS Site Manager exist for local diagnostics on a single base station, NetAct is the day-to-day platform for remote, network-wide operations. NetGuard focuses on security analytics, CloudBand on NFV infrastructure orchestration, and Nokia Digital Automation Cloud targets private wireless deployments, so none of these serve as the primary RAN operations management system referenced in remote operations procedures.
NEW QUESTION # 115
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