Last Updated: Aug 12, 2026
No. of Questions: 65 Questions & Answers with Testing Engine
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| Section | Weight | Objectives |
|---|---|---|
| Troubleshooting and SON Concepts | 15% | - Parameter verification and adjustment - Common radio network issues and resolution - Self-Organizing Networks (SON) functionality |
| Interference and Neighbor Management | 20% | - Interference identification and mitigation - Neighbor list planning and optimization - Handover parameters tuning |
| Radio Network Optimization Fundamentals | 20% | - Network architecture for LTE/WCDMA - Key Performance Indicators (KPIs) definition - Radio propagation principles and models |
| Coverage and Capacity Optimization | 25% | - Coverage analysis and improvement - Capacity planning and optimization - Frequency planning and allocation |
| Optimization Tools and Methods | 20% | - Drive test and post-processing - Network data collection and analysis - Ericsson Network Manager (ENM) usage |
1. What is a cause of degradation in the RSRQ of a serving cell?
A) average power transmitted by the UE
B) periodic measurement report transmissions in the serving cell
C) SIB transmissions sent by the UE
D) thermal noise
2. Review the exhibit.
A new residential area has recently been built showing a lack of 3G uplink coverage as shown in the exhibit.
The terrain is flat and all the buildings in the area are 20 meters in height with no other relevant direct obstacles.
What should be applied to cells A_l and 8_1 to provide 3G service to the new area knowing that both cells have a soft handover (SHO) factor of 1.9?
A) Increase the CPICH power.
B) Increase the electrical downtilt.
C) Change the azimuth.
D) Reduce the antenna height.
3. What is a purpose of Radio Resource Management (RRM) parameter optimization tools?
A) geo-location procedures
B) traffic balancing
C) coverage predictions
D) azimuth adjustment
4. Which two benefits does OSS counter-based optimization provide compared to drive test measurements?
(Choose two.)
A) OSS counters only capture the outdoor performance.
B) OSS counters capture the indoor performance.
C) OSS counters allow throughput measurements in cells where no traffic is carried.
D) OSS counters provide OPEX cost savings.
5. You are using the Performance Measurements system for Ericsson WCDMA network analysis and must use predefined counters.
On which two levels would these counters be collected? (Choose two.)
A) the BSC level
B) the cell level
C) the RNC level
D) the TRX level
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: C | Question # 3 Answer: B | Question # 4 Answer: B,D | Question # 5 Answer: B,C |
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