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Total 62 Questions | Updated On: Nov 18, 2024

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Question 1

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.

Answer: C,D

Question 2

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

Answer: C,D

Question 3

What is a purpose of Radio Resource Management (RRM) parameter optimization tools?

A : coverage predictions

B : azimuth adjustment

C : geo-location procedures

D : traffic balancing

Answer: D

Question 4

Which KPI must be captured in a drive test with TEMS to review VoLTE accessibility?

A : Call Setup Success Rate

B : Handover Success Rate

C : Call Drop Rate

D : Voice Quality

Answer: A

Question 5

What are two correct characteristics of TDD and FDD LTE systems? (Choose two.)

A : TDD LTE systems use guard period intervals after downlink transmissions.

B : FDD LTE systems require paired spectrum to separate uplink and downlink transmissions

C : TDD LTE systems use guard period intervals after uplink transmissions

D : TDD LTE systems require paired spectrum to separate uplink and downlink transmissions.

Answer: B,C

Page: 1 / 13

Total 62 Questions | Updated On: Nov 18, 2024

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