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Nokia NRN-522 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Remote Operations of 5G Radio Access Networks | - 5G RAN Operations Center Procedures
|
| Topic 2: Fault and Alarm Management | - Monitoring and Troubleshooting
|
| Topic 3: Configuration Management | - Parameter Administration
|
| Topic 4: 5G RAN Products and Solutions Management | - Network Connectivity and Access
|
| Topic 5: Software Management | - Base Station Software Operations
|
Nokia 5G RAN Network Operations Expert Sample Questions:
1. A 'High VSWR' (Voltage Standing Wave Ratio) alarm is raised on an RF unit's antenna branch. What does this alarm typically indicate a problem with?
A) The antenna, feeder cable, or RF connector on that branch
B) The operator's subscriber billing database
C) The core network's mobility management function
D) The NetAct server's storage capacity
2. In an EN-DC (E-UTRA New Radio Dual Connectivity) configuration, what role does the 5G NR cell typically play relative to the LTE cell?
A) The NR cell acts as the Master Node, with the LTE cell providing only supplementary capacity
B) The NR cell acts as a Secondary Node providing additional throughput, while the LTE cell acts as the Master Node and anchors control-plane signaling to the core network
C) EN-DC requires both cells to use identical PCI values to function
D) The NR cell completely replaces the LTE cell and handles all signaling independently
3. What is the primary purpose of the secure IPsec VPN tunnel established between a centralized Operations Center and a remote 5G site's transport network?
A) To replace the need for alarm monitoring
B) To encrypt and authenticate OandM traffic exchanged between NetAct/NOC and the base station
C) To boost the radio transmit power of the cell
D) To compress software packages before download
4. After a field engineer replaces an RF unit, the NOC engineer observes that the eCPRI link between the baseband and the new RF unit remains down, even after the cell is unlocked. What should the NOC engineer do first?
A) Permanently lock the cell and close the maintenance ticket as complete
B) Immediately order a replacement baseband module to be shipped to the site
C) Ask the field engineer to verify the physical fiber connections and SFP transceivers between the baseband and the new RF unit before pursuing further remote diagnosis
D) Change the cell's PLMN ID to force the eCPRI link to re-establish
5. A NOC team needs to apply an identical parameter change - updating a neighbor relation threshold - across
200 cells in a region. What NetAct CM capability is best suited to perform this efficiently and consistently?
A) The Fault Management active alarms list
B) Bulk Configuration Management (Mass Update), which allows the same parameter change to be applied across multiple selected network elements in a single operation
C) Software Management's remote delivery function
D) Manually logging into each cell's local Element Manager one at a time
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: C | Question # 5 Answer: B |
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