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Updated: Sep 07, 2026
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Ericsson ECP-383 Exam Overview:
| Certification Vendor: | Ericsson |
|---|---|
| Exam Name: | Ericsson Certified Associate - Radio Network Optimization |
| Exam Number: | ECP-383 |
| Exam Format: | Multiple Choice |
| Available Languages: | English |
| Related Certifications: | Ericsson Certified Associate Ericsson Certified Professional - Radio Network Optimization (ECP-752) Ericsson Certified Professional - Radio Network Optimization (ECP-753) |
| Real Exam Qty: | 65 |
| Sample Questions: | Ericsson ECP-383 Sample Questions |
| Exam Way: | Computer-based exam; online or authorized testing delivery depending on Ericsson Training & Certification Program availability. |
| Pre Condition: | No mandatory prerequisite exam publicly specified. |
Ericsson ECP-383 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Network Optimization Tools | - Optimization Tool Usage
|
| Cellular Technologies | - Mobile Network Technologies
|
| Network Optimization Principles | - Optimization Activities and Procedures
|
| Cellular Network Fundamental Concepts | - Cellular Network Architecture
|
Ericsson Certified Associate - Radio Network Optimization Sample Questions:
Question 1
According to IR.92, which two LTE RAN functions are required to support VoLTE? (Choose two.)
A. Service Specific Inactivity Timer
B. RLC in Unacknowledged Mode for RTP transmissions
C. Multiple Radio Bearers per User
D. Inter-frequency handover
Question 2
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 RNC level
C. the TRX level
D. the cell level
Question 3
Performance Management Statistics have recently shown a sharp rise in received interference power on an LTE site during the busiest hours. A collocated WCDMA base station has recently acquired a new carrier and upgraded power amplifier. The upgrade correlates with the sharp rise in received interference power.
What are two appropriate actions to solve this problem? (Choose two.)
A. Request or perform a build audit of the newly upgraded collocated WCDMA site.
B. Review the site design in consultation with the Ericsson collocation and coexistence guidelines.
C. Reduce the hsPowerMargin parameter to make more power available for HSDPA.
D. Increase the power amplifier on the impacted collocated LTE sectors.
Question 4
Which two statements are correct about voice quality in a VoLTE network? (Choose two.)
A. Decreasing silent gaps in the received audio signal will improve voice quality.
B. Decreasing jitter will Improve voice quality.
C. Increasing silent gaps in the received audio signal will improve voice quality.
D. Increasing jitter will improve voice quality.
Question 5
What is a benefit of soft handover?
A. It decreases interference.
B. It decreases channel element usage.
C. It reduces the connected user load of neighboring cells.
D. It ensures successful handover among detected cells.
Solutions:
| Question 1 Answer: A,C | Question 2 Answer: B,D | Question 3 Answer: A,B | Question 4 Answer: A,B | Question 5 Answer: D |
Ericsson ECP-383 Exam Overview:
| Certification Vendor: | Ericsson |
|---|---|
| Exam Name: | Ericsson Certified Associate - Radio Network Optimization |
| Exam Number: | ECP-383 |
| Exam Format: | Multiple Choice |
| Available Languages: | English |
| Related Certifications: | Ericsson Certified Associate Ericsson Certified Professional - Radio Network Optimization (ECP-752) Ericsson Certified Professional - Radio Network Optimization (ECP-753) |
| Real Exam Qty: | 65 |
| Sample Questions: | Ericsson ECP-383 Sample Questions |
| Exam Way: | Computer-based exam; online or authorized testing delivery depending on Ericsson Training & Certification Program availability. |
| Pre Condition: | No mandatory prerequisite exam publicly specified. |
Ericsson ECP-383 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Network Optimization Tools | - Optimization Tool Usage
|
| Cellular Technologies | - Mobile Network Technologies
|
| Network Optimization Principles | - Optimization Activities and Procedures
|
| Cellular Network Fundamental Concepts | - Cellular Network Architecture
|
Ericsson Certified Associate - Radio Network Optimization Sample Questions:
Question 1
According to IR.92, which two LTE RAN functions are required to support VoLTE? (Choose two.)
A. Service Specific Inactivity Timer
B. RLC in Unacknowledged Mode for RTP transmissions
C. Multiple Radio Bearers per User
D. Inter-frequency handover
Question 2
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 RNC level
C. the TRX level
D. the cell level
Question 3
Performance Management Statistics have recently shown a sharp rise in received interference power on an LTE site during the busiest hours. A collocated WCDMA base station has recently acquired a new carrier and upgraded power amplifier. The upgrade correlates with the sharp rise in received interference power.
What are two appropriate actions to solve this problem? (Choose two.)
A. Request or perform a build audit of the newly upgraded collocated WCDMA site.
B. Review the site design in consultation with the Ericsson collocation and coexistence guidelines.
C. Reduce the hsPowerMargin parameter to make more power available for HSDPA.
D. Increase the power amplifier on the impacted collocated LTE sectors.
Question 4
Which two statements are correct about voice quality in a VoLTE network? (Choose two.)
A. Decreasing silent gaps in the received audio signal will improve voice quality.
B. Decreasing jitter will Improve voice quality.
C. Increasing silent gaps in the received audio signal will improve voice quality.
D. Increasing jitter will improve voice quality.
Question 5
What is a benefit of soft handover?
A. It decreases interference.
B. It decreases channel element usage.
C. It reduces the connected user load of neighboring cells.
D. It ensures successful handover among detected cells.
Solutions:
| Question 1 Answer: A,C | Question 2 Answer: B,D | Question 3 Answer: A,B | Question 4 Answer: A,B | Question 5 Answer: D |
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