Ericsson ECP-383 : Ericsson Certified Associate - Radio Network Optimization

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Ericsson ECP-383 Exam Syllabus Topics:

Ericsson Certified Associate - Radio Network Optimization Sample Questions:

1. 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) Reduce the hsPowerMargin parameter to make more power available for HSDPA.
B) Request or perform a build audit of the newly upgraded collocated WCDMA site.
C) Review the site design in consultation with the Ericsson collocation and coexistence guidelines.
D) Increase the power amplifier on the impacted collocated LTE sectors.

2. You are performing a physical parameter optimization of an LTE network with an automatic tool that uses propagation predictions. As a result, the tool estimates an increase of RSRP from cell A at a particular location.
In this scenario, what has happened?

A) Signal attenuation from the transmitter to the location has increased.
B) The PRB utilization of cell A has decreased.
C) Soft handover factor has increased.
D) The antenna pattern of cell A has changed.

3. Which two statements about the Radio Connection Supervision (RCS) algorithm in LTE are correct? (Choose two.)

A) It selects the number of PRBs assigned to users for downlink and uplink.
B) It controls the modulation and coding scheme used in DL transmissions.
C) It supervises the radio connection between E-UTRAN and a UE in connected mode.
D) It collects radio problems and inactivity information with the purpose to release resources.

4. An operator receives customer complaints from an indoor location. The Issues result from a bad neighbor plan in a single RAT and frequency network.
Which two optimization processes would you use to resolve the problem? (Choose two.)

A) PM counter based neighbor optimization
B) drive test based neighbor optimization
C) call trace based neighbor optimization
D) prediction based neighbor optimization

5. According to IR.92, which two LTE RAN functions are required to support VoLTE? (Choose two.)

A) Multiple Radio Bearers per User
B) Service Specific Inactivity Timer
C) Inter-frequency handover
D) RLC in Unacknowledged Mode for RTP transmissions

Solutions: