ECP-383 Online Practice Questions and Answers

How would you connect a Baseband module in the eNodeB to an Antenna Integrated Radio (AIR)?

A. using optical fiber

B. using a microwave link

C. using an RJ-45 Ethernet cable

D. using Bluetooth

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.

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

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 are two benefits of massive MIMO? (Choose two.)

A. It serves many users in the same time and frequency with a single element antenna.

B. It increases SINR by focusing a signal toward an individual user.

C. It serves many spatially separated users in the same time and frequency.

D. It increases throughput by allowing access to larger spectrum slices.

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.

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)

What is a benefit of Remote Radio Unit (RRU) deployment compared to a standard Radio Unit (RU) deployment?

A. RRU consumes less power.

B. RRU provides for easier legalization of the equipment.

C. RRU provides easier deployment and maintenance.

D. RRU has lower feeder loss.

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 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