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Ericsson ECP-383 Exam Syllabus Topics:

Ericsson Certified Associate - Radio Network Optimization Sample Questions:

1. What is a purpose of Radio Resource Management (RRM) parameter optimization tools?

A) geo-location procedures
B) azimuth adjustment
C) traffic balancing
D) coverage predictions

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

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

3. Which two statements are true about the Antenna Integrated Radio (AIR)? (Choose two.)

A) The AIR is a hardware unit that integrates the radio and the antenna.
B) The AIR can replace the standard RU/RRU and antenna.
C) The AIR in an LTE system is directly connected with the MME using the SI interface.
D) The AIR replaces the digital/baseband unit.

4. 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.

5. Which element is used in maintaining a 4G VoLTE call leg?

A) P-GW
B) PSTN
C) NodeB
D) BSC

Solutions: