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Ericsson ECP-383 Exam Syllabus Topics:

Ericsson Certified Associate - Radio Network Optimization Sample Questions:

1. Which three service KPIs (S-KPIs) are obtained by DT measurement? (Choose three.)

A) handover success rate
B) initial buffering time for video
C) additional status total time for social media
D) bearer drop rate
E) interactive time for Web browsing

2. 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 separates uplink transmissions in the time and/or frequency domain.
B) SC-FDMA is beneficial because it avoids (nter-cell interference.
C) SC-FDMA allows simultaneous uplink transmissions on the same physical resource blocks.
D) SC-FDMA is beneficial because it avoids intra-cell interference.

3. A customer is deploying VoLTE and complains about high voice drop rates and voice quality degradation at the cell edge in most LTE cells in the area. The network has a dense WCDMA coverage on the 700 MHz band and patchy LTE coverage on the 2100 MHz band.
Which two features would you activate to solve this problem? (Choose two.)

A) TTI Bundling
B) 256 QAM DL
C) DRX
D) SRVCC Handover to UTRAN

4. 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

5. What are two correct characteristics of TDD and FDD LTE systems? (Choose two.)

A) TDD LTE systems use guard period intervals after uplink transmissions.
B) TDD LTE systems use guard period intervals after downlink transmissions.
C) FDD LTE systems require paired spectrum to separate uplink and downlink transmissions.
D) TDD LTE systems require paired spectrum to separate uplink and downlink transmissions.

Solutions: