Ericsson ECP-383 Online Practice Questions and Exam Preparation

Ericsson ECP-383 Online Questions & Answers

• Question 1:

  What is the recommended setting for the primaryCpichPower parameter according to Ericsson NDO guidelines?

  A. less than 33 dBm
  B. 36 dBm or more Independently of the maximum transmission power
  C. 8-10% of min[maximumTransmissionPower, maxDlPowerCapability]
  D. 33 dBm independently of maximum transmission power
  C. 8-10% of min[maximumTransmissionPower, maxDlPowerCapability]

• Question 2:

  Which two statements are valid for Call Re-establishment in WCDMA? (Choose two.)

  A. Call Re-establishment in WCDMA targets RL failures or RLC errors in the DL.
  B. When Call Re-establishment in WCDMA is activated and after RL failure or an RLC unrecoverable error, the UE selects a new cell using the soft handover procedure.
  C. Call Re-establishment in WCDMA improves the voice drop rate.
  D. When Call Re-establishment in WCDMA is activated and after RL failure or an RLC unrecoverable error, the UE goes to idle mode.
  B. When Call Re-establishment in WCDMA is activated and after RL failure or an RLC unrecoverable error, the UE selects a new cell using the soft handover procedure.
  C. Call Re-establishment in WCDMA improves the voice drop rate.

• Question 3:

  Which statement is correct about power control on an HS-PDSCH channel?

  A. Available power for the EUL channel impacts the HS-PDSCH data capacity.
  B. Inner closed loop power control is used.
  C. Available power and radio conditions impact the HS-PDSCH data rate.
  D. Outer loop power control is used.
  C. Available power and radio conditions impact the HS-PDSCH data rate.

• Question 4:

  Why is synchronized operation used in LTE TDD base stations?

  A. to allow downlink MIMO to be used
  B. to allow handovers to LTE FDD carriers
  C. to achieve good RACH timing accuracy
  D. to reduce interference between uplink and downlink
  D. to reduce interference between uplink and downlink

• Question 5:

  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
  B. massive machine-type communications
  C. remote controlled machines

• Question 6:

  How would the highest theoretical UL throughput in a WCDMA network that supports HSPA be achieved?

  A. using R99, UL SF 4
  B. using R99, UL SF 8
  C. using 2 ms TTI for EUL
  D. using 10 ms TTI for EUL
  C. using 2 ms TTI for EUL

• Question 7:

  Which two channel bandwidths are available in LTE? (Choose two.)

  A. 2.8 MHz
  B. 1.4 MHz
  C. 30 MHz
  D. 15 MHz
  B. 1.4 MHz
  D. 15 MHz

• Question 8:

  Refer to the exhibit.

  

  You identify an L700 cell serving a highway with poor handover success rate performance.

  Referring to the exhibit, which two actions will help to improve the handover performance in this scenario? (Choose two.)

  A. Decrease the timetotriggerA3 parameter.
  B. Decrease the A3offset parameter.
  C. Increase the A3offset parameter.
  D. Increase the timetotriggerA3 parameter.
  C. Increase the A3offset parameter.
  D. Increase the timetotriggerA3 parameter.

• Question 9:

  Review the exhibit.

  

  Using a radio performance monitoring tool, you fetch counters CI and C2 and calculate KPI K for the four 15-minute ROPs in an hour. The values obtained for the CI and C2 counters and for KPI K are shown In the exhibit. In this scenario, what is the hourly value of KPI K?

  A. The value obtained for KPI K is 97%.
  B. The value obtained for KPI K is 96%.
  C. The value obtained for KPI K is 95%.
  D. The value obtained for KPI K is 94%.
  B. The value obtained for KPI K is 96%.

• Question 10:

  What is a cause of degradation in the RSRQ of a serving cell?

  A. thermal noise
  B. average power transmitted by the UE
  C. periodic measurement report transmissions in the serving cell
  D. SIB transmissions sent by the UE
  A. thermal noise