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The ECP-383 Exam is designed for professionals who are already working in the telecommunications industry, as well as those who are interested in pursuing a career in radio network optimization. Ericsson Certified Associate - Radio Network Optimization certification program covers a wide range of topics, including Ericsson's radio network optimization solutions and tools, network performance analysis, optimization techniques, and troubleshooting. Candidates will also gain an understanding of Ericsson's best practices for radio network optimization, as well as the latest trends and developments in the field.
NEW QUESTION # 11
What is the recommended setting for the primaryCpichPower parameter according to Ericsson NDO guidelines?
- A. 8-10% of min[maximumTransmissionPower, maxDlPowerCapability]
- B. 33 dBm independently of maximum transmission power
- C. 36 dBm or more Independently of the maximum transmission power
- D. less than 33 dBm
Answer: A
NEW QUESTION # 12
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. Review the site design in consultation with the Ericsson collocation and coexistence guidelines.
- B. Increase the power amplifier on the impacted collocated LTE sectors.
- C. Reduce the hsPowerMargin parameter to make more power available for HSDPA.
- D. Request or perform a build audit of the newly upgraded collocated WCDMA site.
Answer: A,D
NEW QUESTION # 13
Which two statements are true about 64 QAM modulation in the downlink direction? (Choose two.)
- A. The usage of 64 QAM is not dependent on radio channel quality.
- B. The usage of 64 QAM is UE dependent.
- C. The spectral efficiency of 64 QAM is higher than QPSK in strong radio conditions.
- D. The spectral efficiency of 64 QAM is lower than QPSK in strong radio conditions.
Answer: B,C
NEW QUESTION # 14
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 jitter will improve voice quality.
- D. Increasing silent gaps in the received audio signal will improve voice quality.
Answer: A,B
NEW QUESTION # 15
Which two statements are correct about a Self-Organizing Network (SON)? (Choose two.)
- A. SON is a drive test measurement tool for evaluation of network quality and new site location proposals.
- B. SON is a combination of functions that automatically change network behavior.
- C. SON is a centralized solution that automatically collects data and modifies parameters using a predefined algorithm.
- D. SON is a trace collection procedure for coverage prediction and reporting purposes.
Answer: B,C
NEW QUESTION # 16
What are two benefits provided by the introduction of GPRS/EGPRS Downlink Power Control in a GSM network? (Choose two.)
- A. reduced uplink interference levels in the system
- B. increased PS accessibility
- C. reduced downlink Interference levels In the system
- D. reduced power consumption in RBS
Answer: B,C
NEW QUESTION # 17
What Is the purpose of the Location/Tracking Area update?
- A. It is used to locate the UEs in idle mode.
- B. It is used to locate the best IRAT cells.
- C. It is used to locate the originating UE.
- D. It is used to internally locate UEs during on-going calls.
Answer: A
NEW QUESTION # 18
Which multiple access technique is used In LTE radio DL?
- A. Time Division Multiple Access (TDMA)
- B. Code Division Multiple Access (CDMA)
- C. Single Carrier Frequency Division Multiple Access (SC-FDMA)
- D. Orthogonal Frequency Division Multiple Access (OFDMA)
Answer: D
NEW QUESTION # 19
Which two statements are valid for Call Re-establishment in WCDMA? (Choose two.)
- A. Call Re-establishment in WCDMA targets RL failures or RLC errors in the DL.
- B. 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.
- C. Call Re-establishment in WCDMA improves the voice drop rate.
- D. When Call Re-establishment in WCDMA is activated and after RL failure or an RLC unrecoverable error, the UE goes to idle mode.
Answer: B,C
NEW QUESTION # 20
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 TRX level
- B. the cell level
- C. the BSC level
- D. the RNC level
Answer: B,D
NEW QUESTION # 21
Which two statements are true about the Antenna Integrated Radio (AIR)? (Choose two.)
- A. The AIR in an LTE system is directly connected with the MME using the SI interface.
- B. The AIR can replace the standard RU/RRU and antenna.
- C. The AIR replaces the digital/baseband unit.
- D. The AIR is a hardware unit that integrates the radio and the antenna.
Answer: B,D
NEW QUESTION # 22
Which two statements correctly describe Single Carrier Frequency Division Multiple Access (SC-FDMA) as used in LTE systems using uplink SIMO? (Choose two.)
- A. SC-FDMA is beneficial because it avoids (nter-cell interference.
- B. SC-FDMA is beneficial because it avoids intra-cell interference.
- C. SC-FDMA allows simultaneous uplink transmissions on the same physical resource blocks.
- D. SC-FDMA separates uplink transmissions in the time and/or frequency domain.
Answer: B,C
NEW QUESTION # 23
Which statement describes uplink Discontinuous Transmission (DTX)?
- A. DTX is a method of saving battery power for the MS by turning off the transmitter while "voice" is not present.
- B. DTX is a method of saving battery power for the MSC by turning off the transcoder while "voice" is not present.
- C. DTX is a method of saving battery power for the BSC by turning off the transcoder while "voice" is not present.
- D. DTX is a method of saving battery power for the BTS by turning off the transmitter while "voice" is not present.
Answer: A
NEW QUESTION # 24
Which statement is correct about network slicing?
- A. Network slicing is a customized division of a cellular network designed to allow end users to control allocation of network resources between themselves.
- B. Network slicing is a movement of network functions between aggregation layers to meet performance requirements for specific use cases.
- C. Network slicing is a separation of network architecture between vendors in a multivendor network.
- D. Network slicking is a splitting of end users between competing operators in small population markets.
Answer: B
NEW QUESTION # 25
Review the exhibit.
What is the EIRP of the transmitter shown In the exhibit?
- A. 57.5 dBm
- B. 46 dBm
- C. 42.5 dBm
- D. 40 dBm
Answer: A
NEW QUESTION # 26
Which three service KPIs (S-KPIs) are obtained by DT measurement? (Choose three.)
- A. interactive time for Web browsing
- B. handover success rate
- C. additional status total time for social media
- D. initial buffering time for video
- E. bearer drop rate
Answer: B,D,E
NEW QUESTION # 27
Which two characteristics are true about 30 GHz spectrum compared to 2100 MHz spectrum? (Choose two.)
- A. It has reduced in building penetration coverage.
- B. It has improved in building penetration coverage.
- C. It has a reduced antenna separation distance required for effective MIMO.
- D. It has an increased antenna separation distance required for effective MIMO.
Answer: A,C
NEW QUESTION # 28
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. thermal noise
- D. SIB transmissions sent by the UE
Answer: C
NEW QUESTION # 29
How would you connect a Baseband module in the eNodeB to an Antenna Integrated Radio (AIR)?
- A. using Bluetooth
- B. using a microwave link
- C. using an RJ-45 Ethernet cable
- D. using optical fiber
Answer: C
NEW QUESTION # 30
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Ericsson ECP-383 (Ericsson Certified Associate - Radio Network Optimization) Certification Exam is designed to test the skills and knowledge of individuals who are looking to become certified in radio network optimization. ECP-383 exam is intended for those who are interested in working in the telecommunications industry as radio network optimization professionals. ECP-383 exam covers a wide range of topics related to radio network optimization, including radio propagation, interference analysis, coverage planning, and more.
The Ericsson ECP-383 exam is designed to be challenging and requires candidates to have a solid understanding of fundamental concepts related to radio network optimization. It consists of multiple-choice questions and has a time limit of three hours. A passing score is required to earn certification.
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