Latest Nokia NRN-522 Exam Pass4sure | Test NRN-522 Pattern

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Nokia NRN-522 exam is a computer-based test that consists of multiple-choice questions. To pass the exam, candidates must achieve a score of at least 70%. NRN-522 exam duration is 90 minutes, and candidates must complete all questions within this time frame. NRN-522 Exam Fee varies by country and can be paid online through the Nokia website.

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Quiz 2026 NRN-522: Nokia 5G RAN Network Operations Expert – Professional Latest Exam Pass4sure

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Nokia NRN-522 Exam covers a comprehensive range of topics, including network planning, implementation, optimization, troubleshooting, and maintenance. It also evaluates one's knowledge of 5G RAN architecture, protocols, interfaces, and security. NRN-522 Exam is designed for network engineers, technicians, and administrators who work with Nokia 5G RAN technology in their daily operations.

Nokia 5G RAN Network Operations Expert Sample Questions (Q88-Q93):

NEW QUESTION # 88
A specific neighbor relation between Cell A and Cell B shows a consistently low handover success rate, while overall network-wide mobility KPIs remain healthy. What is the most appropriate first troubleshooting step?

A. Reboot the core network mobility management element
B. Review and verify the neighbor relation configuration and measurement parameters between Cell A and Cell B
C. Restart the entire baseband module serving Cell A
D. Increase the transmit power of every cell in the cluster

Answer: B

Explanation:
Because the issue is isolated to a single neighbor relation rather than affecting overall network mobility, the problem is most likely localized to the configuration between these two specific cells rather than a broader hardware, transport, or core network fault - which would typically affect multiple relations or KPIs more broadly. The appropriate first step is to review the neighbor relation configuration, including parameters such as handover thresholds, measurement gap settings, frequency relations, and Automatic Neighbor Relation (ANR) data, to confirm the relation is correctly defined and that measurement configurations align with actual RF conditions between the two cells. Misconfigured handover thresholds, missing or incorrect frequency information, or an outdated neighbor list entry are common causes of localized handover failures.
Restarting hardware, rebooting core elements, or adjusting power network-wide are disproportionate actions that risk impacting unrelated cells and do not target the specific, isolated nature of the reported problem.

NEW QUESTION # 89
Before granting a new NOC engineer remote access credentials to production AirScale sites, what should be verified according to Nokia's operational security practices?

A. That the engineer owns a personal mobile phone
B. That the engineer's account has unrestricted access to all NetAct modules by default
C. That the engineer has completed required training and is assigned a role matching their responsibilities under the least-privilege principle
D. That the engineer holds physical keys to all site cabinets

Answer: C

Explanation:
Before a new NOC engineer is granted credentials to access live production AirScale sites, operational security practice requires confirming the individual has completed the appropriate training for the tools, procedures, and risks involved, and that their account is provisioned with a role matching their actual job responsibilities, following the least-privilege principle of granting only the access necessary to perform assigned tasks. This minimizes the risk of accidental or unauthorized actions on a live network by inexperienced or over-privileged users. Owning a personal mobile phone or holding physical site keys relate to unrelated personal or facility-access matters and have no bearing on logical access provisioning for remote OAM systems. Granting unrestricted access to all NetAct modules by default directly contradicts least- privilege principles, increases organizational risk, and is explicitly the kind of practice operational security guidelines aim to prevent.

NEW QUESTION # 90
What is the key difference between a graceful restart and an immediate (forced) restart of a base station unit during maintenance activities?

A. There is no functional difference between the two; both terms describe identical behavior
B. A graceful restart attempts to allow active sessions to complete or be handed over before the restart proceeds, reducing dropped connections, while an immediate restart proceeds without waiting, causing any active sessions to be dropped
C. A graceful restart can only be performed by physically power-cycling the equipment on site
D. A graceful restart permanently disables the unit, while an immediate restart only temporarily disables it

Answer: B

Explanation:
A graceful restart is designed to minimize the impact on active subscribers by allowing the system, where possible, to complete in-progress procedures or facilitate handovers of active sessions to neighboring cells before the restart actually takes effect, reducing the number of abruptly dropped connections. An immediate, or forced, restart proceeds without this consideration, restarting the unit right away regardless of any active sessions, which will be dropped as a result. NOC engineers may choose between these options depending on the urgency of the situation: a graceful restart is generally preferred for planned maintenance activities to minimize subscriber impact, while an immediate restart might be necessary in scenarios where a unit is unresponsive or where the urgency of resolving a critical fault outweighs the brief additional impact of dropped sessions. Neither option permanently disables the unit, and graceful restarts can be initiated remotely - they do not require physical power-cycling on site.

NEW QUESTION # 91
During a complex remote piloting activity involving multiple steps and risk of service impact, what additional coordination practice helps ensure accountability and a clear record of what was agreed and performed at each stage?

A. Conducting the activity exclusively through anonymous communication channels with no record of who performed each action
B. Performing all steps simultaneously without any sequencing to save time
C. Avoiding any real-time communication so as not to distract the field engineer
D. Conducting the activity using a shared bridge call or chat channel where each step, confirmation, and result is verbally or textually logged in real time as the activity progresses

Answer: D

Explanation:
For complex, multi-step remote piloting activities with potential service impact, using a shared communication channel - such as a bridge call or a logged chat/messaging channel - where each step, its confirmation, and its result are recorded in real time provides significant benefits. It creates a contemporaneous record of exactly what was instructed, performed, and confirmed at each stage, which supports accountability (clarifying who performed or authorized each action) and provides an accurate timeline that can be referenced if an issue arises during or after the activity, or if the activity needs to be reviewed afterward for process improvement. This is in addition to, not a replacement for, the final documentation in the maintenance ticket. Avoiding real-time communication would undermine the collaborative coordination that complex activities require; anonymous channels would defeat the accountability purpose; and performing steps simultaneously without sequencing would be unsafe and likely to cause errors, particularly where later steps depend on the successful completion of earlier ones.

NEW QUESTION # 92
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?

A. An inter-frequency neighbor relation, including the appropriate frequency and measurement configuration for the target band
B. No neighbor relation is required since inter-band handovers occur automatically without configuration
C. An intra-frequency neighbor relation only
D. An EN-DC relation, since any handover involving different frequencies requires LTE anchoring

Answer: A

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 # 93
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