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Nokia NRN-522 Exam is a challenging and comprehensive test of a candidate’s knowledge and skills in Nokia 5G RAN network operations. Passing the exam demonstrates a candidate’s ability to manage and troubleshoot complex 5G networks, and can lead to career advancement opportunities in the telecommunications industry.
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Nokia NRN-522 Exam is an online exam that is conducted by Pearson VUE, a leading provider of computer-based testing services. NRN-522 exam consists of 60 multiple-choice questions, and the candidate has 90 minutes to complete the exam. The passing score for the exam is 70%, and the exam fee is $200.
NEW QUESTION # 119
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?
Answer: B
Explanation:
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.
NEW QUESTION # 120
In the context of Nokia's Single RAN approach, what does it mean for a base station site's software package to support 'Single RAN'?
Answer: B
Explanation:
Single RAN is an architectural approach in which a common hardware platform - such as the AirScale System Module and associated radio units - and an integrated software package can simultaneously support multiple radio access technologies (for example, 2G, 3G, 4G, and 5G) on the same shared infrastructure, rather than requiring separate, technology-dedicated equipment for each generation. This significantly reduces the physical footprint, power consumption, and operational complexity at a site, since multiple technologies can be managed, monitored, and upgraded through unified O and M tools and processes. A Single RAN site is not restricted to a single technology - in fact, the opposite is true: it is designed specifically to host multiple technologies concurrently. It also does not require separate cabinets per technology, and it remains fully capable of receiving ongoing software upgrades and lifecycle management like any other deployment, with Single RAN describing the architectural integration rather than a static, unchangeable state.
NEW QUESTION # 121
A transport alarm 'Ethernet link down' is raised on the BTS-side interface toward the aggregation router. What is an appropriate FIRST remote action for the NOC engineer?
Answer: B
Explanation:
When a transport-side alarm such as 'Ethernet link down' is raised on the BTS-facing interface toward the aggregation router, the appropriate first remote action is to investigate the physical and data-link layer status of that interface - checking link/port status, interface configuration such as speed and duplex settings and VLAN membership, and any visible cable/connector status indicators through management tools. If the issue appears to originate on the transport provider's side of the connection (such as a leased line or microwave link fault), coordinating with that provider is the next step. Only if remote checks cannot resolve the issue, or clearly indicate a physical hardware or cabling fault at the site, would on-site dispatch be considered.
Replacing the RF module addresses radio hardware, not a transport link fault, and modifying neighbor relations or cell bandwidth are RAN configuration changes that would not resolve a physical link failure.
NEW QUESTION # 122
Why does NetAct support configuring automatic notifications, such as email or SMS, for Critical severity alarms to NOC personnel?
Answer: D
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 # 123
What is the AISG bus used for in the context of antenna line device management?
Answer: C
Explanation:
The Antenna Interface Standards Group (AISG) bus is a standardized communication interface (typically layered over RS-485 and sometimes carried over the same coaxial feeder cable as the RF signal, using a technique that separates the control signal from the RF) that enables the base station's control unit to discover, communicate with, and control Antenna Line Devices (ALDs) mounted on or near the antenna - most commonly Remote Electrical Tilt (RET) actuators and Tower Mounted Amplifiers (TMAs). Through the AISG bus, the system can remotely query device status, read sensor data such as current tilt position, and send control commands such as tilt adjustments or TMA gain settings. This is entirely distinct from the CPRI
/eCPRI fiber links carrying baseband-to-RF digital radio signals, the O and M IP network connecting the site to centralized management systems like NetAct, or the DC power distribution supplying equipment - each of which serves a different, non-overlapping function within the site's overall infrastructure.
NEW QUESTION # 124
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