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  • Exam Name: Ericsson Certified Associate - Radio Network Optimization
  • Last Update: Sep 12, 2025
  • Questions and Answers: 62
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ECP-383 Practice Exam Questions with Answers Ericsson Certified Associate - Radio Network Optimization Certification

Question # 6

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 internally locate UEs during on-going calls.

C.

It is used to locate the originating UE.

D.

It is used to locate the best IRAT cells.

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Question # 7

What are two benefits of massive MIMO? (Choose two.)

A.

It serves many users in the same time and frequency with a single element antenna.

B.

It increases SINR by focusing a signal toward an individual user.

C.

It serves many spatially separated users in the same time and frequency.

D.

It increases throughput by allowing access to larger spectrum slices.

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Question # 8

Which KPI must be captured in a drive test with TEMS to review VoLTE accessibility?

A.

Call Setup Success Rate

B.

Handover Success Rate

C.

Call Drop Rate

D.

Voice Quality

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Question # 9

After an optimization meeting, an operator decides to double the transmitted power of an LTE cell. To test the effect of this change, a static test is performed before and after the change.

Which statement is correct in this scenario?

A.

The RSRP received by the UE remains stable.

B.

The variation of the RSRP will depend on the bandwidth of the cell.

C.

The RSRP received by the UE is increased by six dB.

D.

The RSRP received by the UE is increased by three dB.

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Question # 10

Which two use cases are specifically targeted for 5G technology? (Choose two.)

A.

multi tabbed Web browsing

B.

massive machine-type communications

C.

remote controlled machines

D.

asynchronous transfer mode backhaul

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Question # 11

Which identifier is used for locating a UE in a standalone LTE network?

A.

RAC

B.

TAC

C.

LAC

D.

URAC

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Question # 12

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.

call trace based neighbor optimization

B.

drive test based neighbor optimization

C.

PM counter based neighbor optimization

D.

prediction based neighbor optimization

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Question # 13

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 collects radio problems and inactivity information with the purpose to release resources.

C.

It controls the modulation and coding scheme used in DL transmissions.

D.

It supervises the radio connection between E-UTRAN and a UE in connected mode.

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Question # 14

What are two advantages of using the Data Forwarding at Intra-LTE Handover feature? (Choose two.)

A.

Data is received from two cells at the same time.

B.

Packet loss is minimized during handovers.

C.

TCP performance Is improved.

D.

User data can be forwarded directly between UEs over Wi-Fi.

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Question # 15

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 replaces the digital/baseband unit.

C.

The AIR in an LTE system is directly connected with the MME using the SI interface.

D.

The AIR can replace the standard RU/RRU and antenna.

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Question # 16

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

A.

NodeB

B.

PSTN

C.

P-GW

D.

BSC

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Question # 17

Review the exhibit.

ECP-383 question answer

What is the EIRP of the transmitter shown In the exhibit?

A.

57.5 dBm

B.

42.5 dBm

C.

40 dBm

D.

46 dBm

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