ECP-383 Online Practice Questions and Answers

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.

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.

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

What are two benefits of Carrier Aggregation? (Choose two.)

A. to decrease the number of RRC connected users

B. to Improve the use of scattered spectrum

C. to increase capacity

D. to improve coverage per carrier

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

Which statement is correct about network slicing?

A. Network slicking is a splitting of end users between competing operators in small population markets.

B. Network slicing is a customized division of a cellular network designed to allow end users to control allocation of network resources between themselves.

C. Network slicing is a separation of network architecture between vendors in a multivendor network.

D. Network slicing is a movement of network functions between aggregation layers to meet performance requirements for specific use cases.

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

After the installation of a new LTE antenna on a roof top, UL interference power for that sector is observed. In this scenario, which two situations would cause the interference? (Choose two.)

A. Equipment that generates electrical magnetic fields are in the same location.

B. The antenna was placed on a mast near the edge of a rooftop.

C. A plastic enclosure was placed to cover the antenna.

D. Reflective objects such as metal chains or metal ladders were placed in front of the antenna.

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

Which two statements are true about 64 QAM modulation in the downlink direction? (Choose two.)

A. The usage of 64 QAM is not dependent on radio channel quality.

B. The usage of 64 QAM is UE dependent.

C. The spectral efficiency of 64 QAM is higher than QPSK in strong radio conditions.

D. The spectral efficiency of 64 QAM is lower than QPSK in strong radio conditions.