Ericsson ECP-383 Online Practice Questions and Exam Preparation

Ericsson ECP-383 Online Questions & Answers

• Question 11:

  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.
  B. Run a passive inter-modulation (PIM) analysis.
  D. Investigate external interference.

• Question 12:

  Using a cell optimization tool, you detect a sector that takes a large amount of traffic from a distant location that is covered by other sites and is also outside of the coverage predicted for this sector. Which physical optimization action should you perform first In this situation?

  A. Increase the antenna height and verify the result.
  B. Install TMA and verify the result.
  C. Downtilt the antenna and verify the result.
  D. Increase the transmit power and verify the result.
  C. Downtilt the antenna and verify the result.

• Question 13:

  In LTE, what is the definition of an A2 event?

  A. The neighbor cell becomes better than the threshold.
  B. The serving ceil becomes better than the threshold.
  C. The serving cell becomes worse than the threshold.
  D. The neighbor cell becomes worse than the threshold.
  C. The serving cell becomes worse than the threshold.

• Question 14:

  You have collocated sectors In your 2G network on the GSM 900 and the DCS 1800 bands. Reviewing the network level traffic distribution, you noticed that the GSM 900 sectors have five times more traffic than the DCS 1800 sectors. Which two actions would improve load balancing between these bands? (Choose two.)

  A. adding additional GSM 900 sectors
  B. changing the handover margin
  C. expanding the site's transmission link
  D. changing the idle mode cell reselection parameter
  B. changing the handover margin

• Question 15:

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

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

• Question 16:

  Review the exhibit.

  

  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
  A. 57.5 dBm

• Question 17:

  You are performing a physical parameter optimization of an LTE network with an automatic tool that uses propagation predictions. As a result, the tool estimates an increase of RSRP from cell A at a particular location. In this scenario, what has happened?

  A. Signal attenuation from the transmitter to the location has increased.
  B. The antenna pattern of cell A has changed.
  C. The PRB utilization of cell A has decreased.
  D. Soft handover factor has increased.
  B. The antenna pattern of cell A has changed.

• Question 18:

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

  A. RAC
  B. TAC
  C. LAC
  D. URAC
  B. TAC

• Question 19:

  An LTE operator explains that the traffic in cell A is very high compared to the traffic In cell B, which are close to each other. Cells A and B are using the same frequency. In this scenario, which two actions would balance the traffic between cell A and cell B? (Choose two.)

  A. Optimize the connected mode mobility parameters.
  B. Optimize the idle mode related parameters.
  C. Activate the inter-frequency load balancing feature.
  D. Activate the TTI Bundling feature.
  A. Optimize the connected mode mobility parameters.
  B. Optimize the idle mode related parameters.

• Question 20:

  Which multiple access technique is used In LTE radio DL?

  A. Single Carrier Frequency Division Multiple Access (SC-FDMA)
  B. Time Division Multiple Access (TDMA)
  C. Code Division Multiple Access (CDMA)
  D. Orthogonal Frequency Division Multiple Access (OFDMA)
  D. Orthogonal Frequency Division Multiple Access (OFDMA)