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Nokia NRN-522 certification exam is a great opportunity for professionals who are interested in becoming experts in Nokia's 5G RAN network operations. Nokia 5G RAN Network Operations Expert certification exam covers a broad range of topics related to 5G network operations and is designed to test the candidate's knowledge and skills in these areas. To prepare for the NRN-522 certification exam, candidates can take advantage of Nokia's training and certification programs, as well as practice exams and study materials.
Nokia NRN-522 Certification Exam is an online, proctored exam that can be taken from anywhere in the world. NRN-522 exam consists of 40 multiple-choice questions and has a time limit of 90 minutes. The passing score for the exam is 70%, and candidates who pass the exam will receive a digital certificate and badge that can be shared on social media and professional networks.
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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 # 52
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 # 53
What is the role of the Managed Object Model (MOM) in Nokia's RAN configuration management framework?
Answer: D
Explanation:
The Managed Object Model (MOM) defines the structured, hierarchical representation of all configurable entities within the network - such as network elements, their subordinate functional units, cells, and the individual parameters associated with each object - along with the relationships between them. Configuration management tools, including NetAct CM applications, rely on the MOM to know what objects exist, what parameters each object type supports, valid value ranges, and how objects relate to one another (for example, a cell object existing as a child of a baseband equipment object). Understanding the MOM is important for NOC engineers performing configuration changes, since it determines where a given parameter resides within the object hierarchy and what other objects or parameters might be affected by a change. The MOM is a configuration management construct and is unrelated to physical cabling documentation, alarm history (a fault management function), or software upgrade packages (a software lifecycle management function).
NEW QUESTION # 54
During a remote piloting activity, the NOC engineer and field engineer are unable to bring a replaced RF unit into service despite following standard verification and troubleshooting steps, and a hardware fault on the new unit itself is suspected. What is the most appropriate next step?
Answer: C
Explanation:
When standard remote troubleshooting and on-site verification steps have been exhausted and a hardware fault on the newly installed unit itself is suspected, continuing to repeat the same steps is unlikely to be productive and delays resolution. The appropriate next step is to escalate the issue to the next level of support
- which may be a specialized technical support team or the equipment vendor's technical assistance center - providing clear documentation of what steps have already been performed, the specific symptoms observed (such as particular alarm codes or link status indications), and the basis for suspecting a hardware fault on the new unit. This documentation allows the receiving team to avoid repeating already-completed steps and to focus on deeper diagnosis, which may lead to confirming a defective unit and arranging a further replacement. Leaving the site without resolution or communication abandons the activity in an incomplete state, and deleting the cell's configuration would not address a suspected hardware defect and would create additional, unnecessary recovery work.
NEW QUESTION # 55
Why is it important for the NOC engineer to confirm the affected cell is locked and showing as out-of-service (in a planned state) before instructing the field engineer to disconnect any RF cabling at the antenna?
Answer: D
Explanation:
Confirming that a cell is locked and in a planned out-of-service state before any physical RF disconnection serves two important purposes. From a safety perspective, a locked cell is not actively transmitting in normal traffic-carrying operation, reducing RF exposure risk to the field engineer working near the antenna or cabling. From an operational perspective, performing the disconnection on a cell already in a planned, controlled state ensures that the resulting loss of RF connectivity is correctly interpreted within the context of an ongoing planned maintenance activity, rather than triggering an unplanned fault condition that might generate urgent alarms, automatic notifications, or even unnecessary escalations to other teams who are unaware that work is in progress. Locking a cell does not increase its transmit power (the opposite is true - it stops normal transmission), does not trigger any automated parts dispatch, and has no effect on PLMN ID or network-wide UE registration, which are unrelated to a single cell's administrative state.
NEW QUESTION # 56
What does the NR-ARFCN (NR Absolute Radio Frequency Channel Number) represent in a 5G cell's configuration?
Answer: D
NEW QUESTION # 57
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