Ericsson ECP-383 Online Practice Questions and Exam Preparation

Ericsson ECP-383 Online Questions & Answers

• Question 51:

  What are two benefits of using VoLTE for speech calls? (Choose two.)

  A. VoLTE allows the end user to remain connected to the 4G network while on a voice call.
  B. VoLTE provides the ability to refarm legacy spectrum for newer technologies.
  C. VoLTE maintains circuit switched functionality in a 4G network.
  D. VoLTE provides a dedicated spectral channel for voice that is physically separated from other packet services.
  A. VoLTE allows the end user to remain connected to the 4G network while on a voice call.
  B. VoLTE provides the ability to refarm legacy spectrum for newer technologies.

• Question 52:

  What are two benefits provided by the introduction of GPRS/EGPRS Downlink Power Control in a GSM network? (Choose two.)

  A. reduced power consumption in RBS
  B. reduced downlink Interference levels In the system
  C. reduced uplink interference levels in the system
  D. increased PS accessibility
  B. reduced downlink Interference levels In the system
  D. increased PS accessibility

• Question 53:

  You are performing a drive test on a cluster carrying commercial WCDMA traffic using a drive testing tool. What are two metrics that would be detected using this tool? (Choose two.)

  A. packet throughput
  B. RNC processor load
  C. channel element utilization
  D. speech accessibility
  A. packet throughput
  D. speech accessibility

• Question 54:

  What is a benefit of soft handover?

  A. It decreases channel element usage.
  B. It ensures successful handover among detected cells.
  C. It reduces the connected user load of neighboring cells.
  D. It decreases interference.
  B. It ensures successful handover among detected cells.

• Question 55:

  A user is participating in an IR.92 compliant VoLTE call.

  What is the Quality of Service Class Indicator (QCI) of the bearer that carries SIP signaling?

  A. QCI 1
  B. QCI 2
  C. QCI 8
  D. QCI 5
  D. QCI 5

• Question 56:

  Which two statements are correct about voice quality in a VoLTE network? (Choose two.)

  A. Increasing jitter will improve voice quality.
  B. Increasing silent gaps in the received audio signal will improve voice quality.
  C. Decreasing jitter will Improve voice quality.
  D. Decreasing silent gaps in the received audio signal will improve voice quality.
  C. Decreasing jitter will Improve voice quality.
  D. Decreasing silent gaps in the received audio signal will improve voice quality.

• Question 57:

  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.
  B. It collects radio problems and inactivity information with the purpose to release resources.
  D. It supervises the radio connection between E-UTRAN and a UE in connected mode.

• Question 58:

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

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

• Question 59:

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

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

• Question 60:

  Which two statements about physical resource blocks (PRB)s are correct? (Choose two.)

  A. The maximum number of assigned PRBs for a TTI can exceed the number of available PRBs in the cell for that TTI.
  B. The DL PRB distribution is not affected by the number of active cell users in the cell.
  C. A higher throughput is expected when more DL PRBs are assigned to a user for a TTI.
  D. The number of PRBs assigned for a user is dependent on the number of active users in the cell.
  C. A higher throughput is expected when more DL PRBs are assigned to a user for a TTI.
  D. The number of PRBs assigned for a user is dependent on the number of active users in the cell.