Ericsson : ECP-383 Questions & Answers
Updated: Sep 17, 2026
No. of Questions: 65 Questions & Answers with Testing Engine
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Ericsson ECP-383 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Optimization Tools and Methods | 20% | - Network data collection and analysis - Ericsson Network Manager (ENM) usage - Drive test and post-processing |
| Topic 2: Coverage and Capacity Optimization | 25% | - Coverage analysis and improvement - Capacity planning and optimization - Frequency planning and allocation |
| Topic 3: Troubleshooting and SON Concepts | 15% | - Parameter verification and adjustment - Self-Organizing Networks (SON) functionality - Common radio network issues and resolution |
| Topic 4: Radio Network Optimization Fundamentals | 20% | - Network architecture for LTE/WCDMA - Radio propagation principles and models - Key Performance Indicators (KPIs) definition |
| Topic 5: Interference and Neighbor Management | 20% | - Neighbor list planning and optimization - Interference identification and mitigation - Handover parameters tuning |
Ericsson Certified Associate - Radio Network Optimization Sample Questions:
Which two channel bandwidths are available in LTE? (Choose two.)
- A. 1.4 MHz
- B. 30 MHz
- C. 2.8 MHz
- D. 15 MHz
Correct Answer: A,D 🗳️
Which multiple access technique is used In LTE radio DL?
- A. Single Carrier Frequency Division Multiple Access (SC-FDMA)
- B. Orthogonal Frequency Division Multiple Access (OFDMA)
- C. Code Division Multiple Access (CDMA)
- D. Time Division Multiple Access (TDMA)
Correct Answer: B 🗳️
What is an advantage of using flexible numerology in New Radio (NR) 5G?
- A. It allows an alphanumeric mapping between physical data channels on coslted LTE and NR in non-standalone scenarios.
- B. It provides a non defined link between subcarriers used in LTE and NR.
- C. It maintains a more consistent overhead over a very large range of carrier frequencies.
- D. It ensures that the same subcarrier bandwidth is used in NR in both high and low frequencies.
Correct Answer: A 🗳️
Which two statements are true about 64 QAM modulation in the downlink direction? (Choose two.)
- A. The spectral efficiency of 64 QAM is higher than QPSK in strong radio conditions.
- B. The usage of 64 QAM is not dependent on radio channel quality.
- C. The spectral efficiency of 64 QAM is lower than QPSK in strong radio conditions.
- D. The usage of 64 QAM is UE dependent.
Correct Answer: A,D 🗳️
Which two statements are valid for Call Re-establishment in WCDMA? (Choose two.)
- A. Call Re-establishment in WCDMA improves the voice drop rate.
- B. When Call Re-establishment in WCDMA is activated and after RL failure or an RLC unrecoverable error, the UE goes to idle mode.
- C. Call Re-establishment in WCDMA targets RL failures or RLC errors in the DL.
- D. When Call Re-establishment in WCDMA is activated and after RL failure or an RLC unrecoverable error, the UE selects a new cell using the soft handover procedure.
Correct Answer: A,D 🗳️
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