Quiz Nokia - NRN-522 Authoritative Top Exam Dumps

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Nokia NRN-522 Exam Syllabus Topics:

Section	Objectives
Topic 1: 5G RAN Products and Solutions Management	- Network Connectivity and Access 1. Accessing and managing network elements remotely 2. Connecting to Nokia 5G RAN products
Topic 2: Configuration Management	- Parameter Administration 1. Remote configuration management 2. Applying standard parameter configuration changes
Topic 3: Fault and Alarm Management	- Monitoring and Troubleshooting 1. Retrieving faults and alarms 2. Analyzing operational issues 3. Performing corrective actions
Topic 4: Software Management	- Base Station Software Operations 1. Software maintenance and updates 2. Managing 5G base station software
Topic 5: Remote Operations of 5G Radio Access Networks	- 5G RAN Operations Center Procedures 1. Operational workflows in a Network Operations Center 2. Remote network operations concepts

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Nokia 5G RAN Network Operations Expert Sample Questions (Q66-Q71):

NEW QUESTION # 66
What does the NR-ARFCN (NR Absolute Radio Frequency Channel Number) represent in a 5G cell's configuration?

A. A unique identifier for the cell within the core network's subscriber database
B. The number of active alarms currently reported by the cell
C. The percentage of available PRBs currently in use by the cell
D. A standardized numeric reference that identifies the specific carrier frequency on which the cell operates

Answer: D

NEW QUESTION # 67
What is the key distinction between a full site backup and a partial (configuration-only) backup in the context of base station lifecycle management?

A. A partial backup can only be performed by a field engineer physically present at the site
B. A full backup includes both the software load and the complete configuration data, while a partial backup typically captures only configuration data without the software image
C. A full backup only captures alarm history, while a partial backup captures performance counters
D. There is no practical difference; both terms refer to identical backup content

Answer: B

Explanation:
A full site backup typically captures both the currently running software load (or a reference to it) and the complete configuration data for the network element, providing the most comprehensive restore point - useful before major changes such as software upgrades or significant hardware-related maintenance. A partial, or configuration-only, backup captures just the configuration data - the set of parameters defining how the element is provisioned - without necessarily including the software image itself. Configuration-only backups are commonly used before smaller-scope parameter changes, where the software load itself is not expected to change, since they are typically faster to perform and require less storage. Choosing the appropriate backup type depends on the scope of the planned change: a software upgrade warrants a full backup, while a routine parameter adjustment may only require a configuration backup. Neither backup type is restricted to alarm history or performance counters, and both can typically be performed remotely without requiring a field engineer to be present.

NEW QUESTION # 68
How does applying a software patch typically differ from performing a full software upgrade on a base station?

A. A patch is generally a smaller, targeted update addressing specific issues or fixes within the current software baseline, while a full upgrade replaces the overall software load with a new baseline release that may include new features and accumulated fixes
B. There is no meaningful difference; the terms are interchangeable in all contexts
C. Patches can only be applied by replacing physical hardware components on site
D. A patch completely replaces the entire software baseline with a new major release, while a full upgrade only modifies a single configuration parameter

Answer: A

Explanation:
A software patch is typically a smaller, targeted update designed to address specific known issues, bugs, or vulnerabilities within the currently running software baseline, without changing the overall feature set or version baseline significantly. Patches are often quicker to apply and may have a more limited scope of impact, making them suitable for addressing urgent issues between major release cycles. A full software upgrade, by contrast, replaces the base station's overall software load with a new baseline release, which may introduce new features, performance improvements, and an accumulated set of fixes - representing a more significant change that typically requires more thorough planning, testing, and a more comprehensive pre-change backup. Both patches and full upgrades can generally be delivered and activated remotely without requiring physical hardware replacement. Understanding this distinction helps NOC teams appropriately scope the risk, testing, and scheduling considerations for each type of software lifecycle activity.

NEW QUESTION # 69
When planning the channel bandwidth and subcarrier spacing for a 5G cell, what is the primary operational impact of these parameters?

A. They determine the cell's PLMN ID and Tracking Area Code
B. They determine which alarm severities are enabled for the cell
C. They determine the number of available Physical Resource Blocks (PRBs), which directly affects the cell's total capacity for scheduling user traffic
D. They determine the encryption algorithm used for OandM traffic to the cell

Answer: C

Explanation:
Channel bandwidth and subcarrier spacing are fundamental radio configuration parameters that together determine how many Physical Resource Blocks (PRBs) are available within a cell's carrier. Since PRBs are the basic units of radio resource that the scheduler allocates to UEs for both downlink and uplink transmissions, the number of available PRBs directly determines the cell's theoretical capacity - that is, how much traffic the cell can serve simultaneously before becoming congested. A wider channel bandwidth provides more PRBs and therefore greater capacity, while subcarrier spacing affects the size of each PRB in the frequency domain and has implications for latency and mobility performance at different frequency ranges. These parameters are foundational to capacity planning and must be configured consistently with the operator's spectrum holdings and regulatory allocations. They have no bearing on PLMN/TAC identifiers, alarm severity configuration, or O and M transport security, which are governed by entirely separate configuration domains.

NEW QUESTION # 70
What does an 'Antenna Line Device (ALD) fault' alarm on an AirScale cell typically indicate?

A. A fault within the NetAct database server
B. A fault affecting devices on the antenna line, such as a Remote Electrical Tilt (RET) controller or Tower-Mounted Amplifier (TMA)
C. An issue with a software feature license
D. A fault originating in the core network

Answer: B

Explanation:
Antenna Line Devices (ALDs) include components such as Remote Electrical Tilt (RET) controllers, which allow remote adjustment of antenna downtilt, and Tower-Mounted Amplifiers (TMAs), which improve uplink sensitivity by amplifying received signals near the antenna. These devices communicate with the BTS over an AISG (Antenna Interface Standards Group) bus. An ALD fault alarm indicates a problem with one of these antenna-line components or their communication link - for example, a RET controller not responding to commands, a configuration mismatch, or a power/connectivity issue on the AISG bus. This is unrelated to the NetAct database, software licensing, or any core network issue. Recognizing this alarm correctly scopes the problem to antenna-line equipment, which may be resolvable remotely (re-querying or reconfiguring the device) or may require a field technician to inspect AISG cabling or replace the faulty ALD if remote actions fail.

NEW QUESTION # 71
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