Ericsson Ericsson Certified Associate ECP-383 Questions & Answers

• Question 1:

  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.

  Correct Answer: A

• Question 2:

  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

  Correct Answer: BD

• Question 3:

  A customer has Identified problems In an Indoor, medium loaded, urban area of a GSM/WCDMA collocated network. The problem seems to be in the uplink. The signal level received by the problematic site is high, and the downlink signal in the problematic area is acceptable. Which two actions would you use to troubleshoot the issue? (Choose two.)

  A. Add a pico cell In the same RAT and frequency.

  B. Run a passive inter-modulation (PIM) analysis.

  C. Decrease base station transmission power.

  D. Investigate external interference.

  Correct Answer: BD

• Question 4:

  A user is making a call on an LTE network.

  In this scenario, which encoding schemes are used?

  A. OFDMA in downlink, COMA in uplink

  B. CDMA in downlink, SC-FOMA in uplink

  C. SC-FDMA in downlink, OFDMA in uplink

  D. OFDMA in downlink, SC-FDMA in uplink

  Correct Answer: D

• Question 5:

  Which two benefits does OSS counter-based optimization provide compared to drive test measurements? (Choose two.)

  A. OSS counters capture the indoor performance.

  B. OSS counters allow throughput measurements in cells where no traffic is carried.

  C. OSS counters only capture the outdoor performance.

  D. OSS counters provide OPEX cost savings.

  Correct Answer: AD

• Question 6:

  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.

  Correct Answer: AB

• Question 7:

  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%.

  Correct Answer: B

• Question 8:

  A customer is deploying VoLTE and complains about high voice drop rates and voice quality degradation at the cell edge in most LTE cells in the area. The network has a dense WCDMA coverage on the 700 MHz band and patchy LTE coverage on the 2100 MHz band.

  Which two features would you activate to solve this problem? (Choose two.)

  A. DRX

  B. 256 QAM DL

  C. TTI Bundling

  D. SRVCC Handover to UTRAN

  Correct Answer: CD

• Question 9:

  Review the exhibit.

  

  A new residential area has recently been built showing a lack of 3G uplink coverage as shown in the exhibit. The terrain is flat and all the buildings in the area are 20 meters in height with no other relevant direct obstacles.

  What should be applied to cells A_l and 8_1 to provide 3G service to the new area knowing that both cells have a soft handover (SHO) factor of 1.9?

  A. Increase the CPICH power.

  B. Increase the electrical downtilt.

  C. Reduce the antenna height.

  D. Change the azimuth.

  Correct Answer: D

• Question 10:

  Which two interfaces are part of a standalone 5G New Radio (NR) architecture? (Choose two.)

  A. X2

  B. N2

  C. N3

  D. SI

  Correct Answer: D